Vulnerability-Lookup

CVE-2026-18645 (GCVE-0-2026-18645)

Vulnerability from cvelistv5 – Published: 2026-08-03 20:15 – Updated: 2026-08-04 17:11

Title

danpros HTMLy Admin Content Endpoint admin.php add_content path traversal

Summary

A security flaw has been discovered in danpros HTMLy up to 3.1.1. This affects the function add_content of the file /system/admin/admin.php of the component Admin Content Endpoint. Performing a manipulation of the argument oldfile results in path traversal. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Severity

5.3 (Medium)


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

5.4 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R

5.4 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-22 - Path Traversal

Assigner

VulDB

References

5 references

URL	Tags
https://vuldb.com/vuln/385564	vdb-entrytechnical-description
https://vuldb.com/vuln/385564/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-18645	third-party-advisory
https://vuldb.com/submit/854994	third-party-advisory
https://github.com/orionyan520/cve_report/issues/6	exploitissue-tracking

Impacted products

1 product

Vendor	Product	Version
danpros	HTMLy	Affected: 3.1.0 Affected: 3.1.1 cpe:2.3:a:htmly:htmly::::::::

Credits

orionyan (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

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}

GHSA-4PGP-58Q4-X4MW

Vulnerability from github – Published: 2026-08-03 21:31 – Updated: 2026-08-03 21:31

Details

Severity

5.4 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

2.1 (Low)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-18645"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-03T21:16:37Z",
    "severity": "LOW"
  },
  "details": "A security flaw has been discovered in danpros HTMLy up to 3.1.1. This affects the function add_content of the file /system/admin/admin.php of the component Admin Content Endpoint. Performing a manipulation of the argument oldfile results in path traversal. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.",
  "id": "GHSA-4pgp-58q4-x4mw",
  "modified": "2026-08-03T21:31:37Z",
  "published": "2026-08-03T21:31:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18645"
    },
    {
      "type": "WEB",
      "url": "https://github.com/orionyan520/cve_report/issues/6"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-18645"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/854994"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/385564"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/385564/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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"
    }
  ]
}

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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

CVE-2026-18645 (GCVE-0-2026-18645)

GHSA-4PGP-58Q4-X4MW

Tags

Sightings

Nomenclature