Vulnerability-Lookup

GHSA-RM3V-PC8W-CWXJ

Vulnerability from github – Published: 2026-09-25 15:31 – Updated: 2026-09-25 15:31

Details

The AIL Framework tag selector component (var/www/static/js/tags.js) is vulnerable to stored cross-site scripting (XSS). A user with the ability to create a custom tag could embed an HTML payload containing JavaScript event handlers (e.g., or ) in the tag name. When another authenticated user opened a page containing the tag selector, the malicious tag name was inserted into the DOM using jQuery's html property, causing the embedded script to execute in the victim's browser context.

The vulnerable code paths affected both the suggestion/combo-item rendering (_renderComboItems) and the selected-tag rendering logic. In both cases, the display value derived from the tag's displayField was passed directly to the html property of a jQuery element constructor, which parses and inserts the string as raw HTML rather than as text.

Preconditions: the attacker must have an authenticated account with permission to create custom tags, and the victim must be an authenticated user who views a page that renders the tag selector with the attacker's stored tag. The attack is stored (persistent) and does not require the victim to perform any action beyond loading the page.

Security impact: successful exploitation allows arbitrary JavaScript execution in the victim's browser within the application's origin, potentially leading to session hijacking, unauthorized data access, form manipulation, or further client-side attacks.

Severity

5.1 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

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{
  "affected": [],
  "aliases": [
    "CVE-2026-100174"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-25T14:17:16Z",
    "severity": "MODERATE"
  },
  "details": "The AIL Framework tag selector component (var/www/static/js/tags.js) is vulnerable to stored cross-site scripting (XSS). A user with the ability to create a custom tag could embed an HTML payload containing JavaScript event handlers (e.g., \u003cimg src=x onerror=alert(1)\u003e or \u003csvg onload=...\u003e) in the tag name. When another authenticated user opened a page containing the tag selector, the malicious tag name was inserted into the DOM using jQuery\u0027s html property, causing the embedded script to execute in the victim\u0027s browser context.\n\nThe vulnerable code paths affected both the suggestion/combo-item rendering (_renderComboItems) and the selected-tag rendering logic. In both cases, the display value derived from the tag\u0027s displayField was passed directly to the html property of a jQuery element constructor, which parses and inserts the string as raw HTML rather than as text.\n\nPreconditions: the attacker must have an authenticated account with permission to create custom tags, and the victim must be an authenticated user who views a page that renders the tag selector with the attacker\u0027s stored tag. The attack is stored (persistent) and does not require the victim to perform any action beyond loading the page.\n\nSecurity impact: successful exploitation allows arbitrary JavaScript execution in the victim\u0027s browser within the application\u0027s origin, potentially leading to session hijacking, unauthorized data access, form manipulation, or further client-side attacks.",
  "id": "GHSA-rm3v-pc8w-cwxj",
  "modified": "2026-09-25T15:31:46Z",
  "published": "2026-09-25T15:31:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-100174"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ail-project/ail-framework/commit/b2d0ed05f6cf79b2312a3f1f923d0d1a5d7a9edb"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-100174 (GCVE-0-2026-100174)

Vulnerability from cvelistv5 – Published: 2026-09-25 13:22 – Updated: 2026-09-25 15:14

Title

Stored Cross-Site Scripting (XSS) in AIL Framework Tag Selector via Unescaped Tag Names

Summary

The AIL Framework tag selector component (var/www/static/js/tags.js) is vulnerable to stored cross-site scripting (XSS). A user with the ability to create a custom tag could embed an HTML payload containing JavaScript event handlers (e.g., <img src=x onerror=alert(1)> or <svg onload=...>) in the tag name. When another authenticated user opened a page containing the tag selector, the malicious tag name was inserted into the DOM using jQuery's html property, causing the embedded script to execute in the victim's browser context. The vulnerable code paths affected both the suggestion/combo-item rendering (_renderComboItems) and the selected-tag rendering logic. In both cases, the display value derived from the tag's displayField was passed directly to the html property of a jQuery element constructor, which parses and inserts the string as raw HTML rather than as text. Preconditions: the attacker must have an authenticated account with permission to create custom tags, and the victim must be an authenticated user who views a page that renders the tag selector with the attacker's stored tag. The attack is stored (persistent) and does not require the victim to perform any action beyond loading the page. Security impact: successful exploitation allows arbitrary JavaScript execution in the victim's browser within the application's origin, potentially leading to session hijacking, unauthorized data access, form manipulation, or further client-side attacks.

Severity

5.1 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-25 15:14 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-94 - Improper Control of Generation of Code ('Code Injection')

Assigner

CIRCL ENISA root

References

1 reference

URL	Tags
https://github.com/ail-project/ail-framework/comm…	patch

Impacted products

1 product

Vendor	Product	Version
ail project	ail framework	Affected: 0 , < 7.1 (semver)

Credits

Aurelien Thirion Jeroen Pinoy

GCVE extensions

AI-generated Not human-reviewed Confidence: medium Model qwen3.8:27b advisory bcp-05-x-01bcp-05-x-02

AI involvement GCVE-BCP-05-X-01

Whole record AI-generated Not human-reviewed GNA-1

Draft vulnerability metadata was generated from a git-format patch using an Ollama-hosted language model. Human validation is required before publication.

ai-computer-assisted:llm-generatedai-computer-assisted:classification

Model	Source	Identifier
qwen3.8:27b	ollama	`qwen3.8:27b`

Patch provenance GCVE-BCP-05-X-02

Generator: patch2vuln.py on 2026-09-25 13:16
Model: qwen3.8:27b
Input: https://github.com/ail-project/ail-framework/commit/b2d0ed05f6cf79b2312a3f1f923d0d1a5d7a9edb.patch 2d147dabcc9b…
Confidence: medium

Commit	Subject	Patch SHA-256
`b2d0ed05f6cf`	chg: [security] prevent stored XSS in	`2d147dabcc9b…`

Fix summary

The fix ensures that tag names and display values are rendered as plain text rather than as HTML when no custom renderer is explicitly configured. In the suggestion rendering path, the default (non-renderer) case now uses jQuery's .text() method, which HTML-escapes the content. In the selection rendering path, the default case uses document.createTextNode() to insert the value as a text node. Custom renderers, which are developer-supplied and trusted to produce safe HTML, continue to use .html() or .prepend() with raw HTML. The eval() call was also replaced with JSON.parse() to eliminate a code-injection vector.

Patch summary

In var/www/static/js/tags.js: (1) Replaced eval(data) with JSON.parse(data) for parsing array-like data strings. (2) In _renderComboItems, introduced a hasRenderer flag; when no custom renderer is set, the displayed value is inserted via resultItemEl.text(displayed) instead of the html property in the jQuery constructor. (3) In the selection rendering block, introduced a hasSelectionRenderer flag; when no custom selection renderer is set, the value is prepended as a text node via document.createTextNode(selectedItemHtml) instead of being set through the html property. (4) The comma separator for text-mode selections is now appended as a text node rather than concatenated into an HTML string.

CVSS rationale

AV:N: The vulnerability is exploitable over the network via a web application. AC:L: No race conditions or special timing are required; the payload is stored and triggers on page load. AT:N: No manipulation of the attack target is needed; the stored payload executes automatically. PR:L: The attacker needs a low-privilege authenticated account with permission to create custom tags. UI:P: The victim passively interacts by loading a page that contains the tag selector; no active click or download is required. VC:L: The XSS can read data from the victim's session and page context. VI:L: The XSS can modify page content and submit forms. VA:N: No availability impact is evident. SC:L: The compromised session can access other resources within the same origin. SI:L: The attacker can modify data through the victim's authenticated session. SA:N: No availability impact on subsequent components.

Weakness rationale

CWE-79 The patch explicitly addresses stored XSS: user-controlled tag names were inserted into the DOM as HTML via jQuery's html property without escaping. The fix renders these values as text nodes, which is the canonical remediation for CWE-79. The commit subject line also explicitly states 'prevent stored XSS'.
CWE-94 The replacement of eval(data) with JSON.parse(data) addresses a secondary code-injection weakness where a crafted data string could execute arbitrary JavaScript. This is a contributing factor but the primary vulnerability is the stored XSS in tag rendering.

Attack pattern rationale

CAPEC-66 CAPEC-66 describes the general XSS attack pattern where attacker-controlled input is reflected or stored and later rendered as executable content in a victim's browser. This patch fixes a stored XSS variant where malicious tag names are persisted and rendered as HTML. The mapping is direct and well-supported by the commit message and code changes. No more specific CAPEC entry for stored XSS in a tag/selector widget exists in the CAPEC catalog, making CAPEC-66 the closest and most appropriate match.

Assumptions to verify

The affected version range is inferred from the tag_version_boundary metadata indicating the fix commit is 31 commits before the v7.1 tag; exact version boundaries are not explicitly stated in the patch.
The UI:P (Passive) rating assumes the victim only needs to load a page containing the tag selector; if the application requires the victim to explicitly open a specific dialog or widget, UI:A (Active) could be more appropriate.
The CAPEC-66 mapping is the closest available pattern; no CAPEC entry specifically covers stored XSS in a tag-selector UI component, so the general XSS pattern is used.
The PR:L rating assumes that creating a custom tag requires only a basic authenticated account; if tag creation requires elevated privileges, PR:H would be more appropriate.
The eval() to JSON.parse() change is treated as a secondary hardening fix within the same patch set; the primary vulnerability addressed is the stored XSS in tag rendering.
No specific reporter or finder is identified in the patch metadata or commit message; only the remediation developer (commit author) is credited.

Model comparison

Selected qwen3.8:27b by deterministic-consensus-v1
The selected result is closest to model consensus; this heuristic does not establish factual correctness and human review remains required.

Model	Score	Agreement	Confidence	Assumptions
`qwen3.8:27b`	4	9	medium	6

Show details on NVD website

JSON

To clipboard

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                  {
                    "cweId": "CWE-79",
                    "rationale": "The patch explicitly addresses stored XSS: user-controlled tag names were inserted into the DOM as HTML via jQuery\u0027s html property without escaping. The fix renders these values as text nodes, which is the canonical remediation for CWE-79. The commit subject line also explicitly states \u0027prevent stored XSS\u0027."
                  },
                  {
                    "cweId": "CWE-94",
                    "rationale": "The replacement of eval(data) with JSON.parse(data) addresses a secondary code-injection weakness where a crafted data string could execute arbitrary JavaScript. This is a contributing factor but the primary vulnerability is the stored XSS in tag rendering."
                  }
                ]
              }
            }
          },
          "recordType": "advisory",
          "vulnId": "GCVE-1-2026-20269"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8",
    "assignerShortName": "CIRCL",
    "cveId": "CVE-2026-100174",
    "datePublished": "2026-09-25T13:22:38.669Z",
    "dateReserved": "2026-09-25T13:22:15.197Z",
    "dateUpdated": "2026-09-25T15:14:51.969Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

GHSA-RM3V-PC8W-CWXJ

CVE-2026-100174 (GCVE-0-2026-100174)

Fix summary

Patch summary

CVSS rationale

Weakness rationale

Attack pattern rationale

Assumptions to verify

Model comparison

Tags

Sightings

Nomenclature

Related by attack behaviour