Vulnerability-Lookup

CVE-2025-53491 (GCVE-0-2025-53491)

Vulnerability from cvelistv5 – Published: 2025-07-07 16:17 – Updated: 2025-07-10 23:32

Title

XSS in FlaggedRevs

Summary

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - FlaggedRevs Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - FlaggedRevs Extension: from 1.43.X before 1.43.2.

Severity

5.4 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-07-07 19:18 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Assigner

wikimedia-foundation mitre root

References

2 references

URL	Tags
https://phabricator.wikimedia.org/T394397
https://gerrit.wikimedia.org/r/c/mediawiki/extens…

Impacted products

1 product

Vendor	Product	Version	CPE status
Wikimedia Foundation	Mediawiki - FlaggedRevs Extension	Affected: 1.43.x , < 1.43.2 (semver)	guessed

Credits

Dreamy_Jazz

Show details on NVD website

JSON

To clipboard

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    "dateReserved": "2025-06-30T15:36:34.119Z",
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  "vulnerability-lookup:meta": {
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      "cve": "CVE-2025-53491",
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      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
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      "title": "XSS in FlaggedRevs",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-53491.json",
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FKIE_CVE-2025-53491

Vulnerability from fkie_nvd - Published: 2025-07-07 17:15 - Updated: 2026-06-17 09:38

Severity

5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Summary

References

	URL	Tags
	c4f26cc8-17ff-4c99-b5e2-38fc1793eacc	https://gerrit.wikimedia.org/r/c/mediawiki/extensions/FlaggedRevs/+/1165929
	c4f26cc8-17ff-4c99-b5e2-38fc1793eacc	https://phabricator.wikimedia.org/T394397

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Mediawiki - FlaggedRevs Extension",
          "vendor": "Wikimedia Foundation",
          "versions": [
            {
              "lessThan": "1.43.2",
              "status": "affected",
              "version": "1.43.x",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Neutralization of Input During Web Page Generation (XSS or \u0027Cross-site Scripting\u0027) vulnerability in Wikimedia Foundation Mediawiki - FlaggedRevs Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - FlaggedRevs Extension: from 1.43.X before 1.43.2."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de neutralizaci\u00f3n incorrecta de la entrada durante la generaci\u00f3n de p\u00e1ginas web (XSS o \u0027Cross-site Scripting\u0027) en Wikimedia Foundation Mediawiki - FlaggedRevs Extension permite Cross-Site Scripting (XSS). Este problema afecta a la extensi\u00f3n Mediawiki - FlaggedRevs: desde 1.43.X hasta 1.43.2."
    }
  ],
  "id": "CVE-2025-53491",
  "lastModified": "2026-06-17T09:38:18.737",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
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          "options": [
            {
              "exploitation": "none"
            },
            {
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            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-07-07T19:18:49.222039Z",
          "version": "2.0.3"
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  "published": "2025-07-07T17:15:29.267",
  "references": [
    {
      "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
      "url": "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/FlaggedRevs/+/1165929"
    },
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  "sourceIdentifier": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
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        {
          "lang": "en",
          "value": "CWE-79"
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      ],
      "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
      "type": "Secondary"
    }
  ]
}

GHSA-8733-8379-6X8G

Vulnerability from github – Published: 2025-07-07 18:32 – Updated: 2025-07-07 21:31

Details

Severity

5.4 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-53491"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-07-07T17:15:29Z",
    "severity": "MODERATE"
  },
  "details": "Improper Neutralization of Input During Web Page Generation (XSS or \u0027Cross-site Scripting\u0027) vulnerability in Wikimedia Foundation Mediawiki - FlaggedRevs Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - FlaggedRevs Extension: from 1.43.X before 1.43.2.",
  "id": "GHSA-8733-8379-6x8g",
  "modified": "2025-07-07T21:31:21Z",
  "published": "2025-07-07T18:32:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-53491"
    },
    {
      "type": "WEB",
      "url": "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/FlaggedRevs/+/1165929"
    },
    {
      "type": "WEB",
      "url": "https://phabricator.wikimedia.org/T394397"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

WID-SEC-W-2025-1525

Vulnerability from csaf_certbund - Published: 2025-07-09 22:00 - Updated: 2025-07-23 22:00

Summary

MediaWiki Extensions und Skins: Mehrere Schwachstellen

Severity

Hoch

Scope

42 vulnerabilities in this advisory, including CVE-2025-53491.

CVE-2025-53491

Known affected: 4 products

Open the full advisory

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.
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

CVE-2025-53491 (GCVE-0-2025-53491)

FKIE_CVE-2025-53491

GHSA-8733-8379-6X8G

WID-SEC-W-2025-1525

Tags

Sightings

Nomenclature

Related by attack behaviour