Vulnerability-Lookup

CVE-2026-22712 (GCVE-0-2026-22712)

Vulnerability from cvelistv5 – Published: 2026-01-09 00:06 – Updated: 2026-01-09 19:15

Title

ApprovedRevs allows bypassing the inline CSS sanitizer

Summary

Improper Encoding or Escaping of Output due to magic word replacement in ParserAfterTidy vulnerability in The Wikimedia Foundation Mediawiki - ApprovedRevs Extension allows Input Data Manipulation.This issue affects Mediawiki - ApprovedRevs Extension: 1.45, 1.44, 1.43, 1.39.

Severity

2.3 (Low)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-116 - Improper Encoding or Escaping of Output

Assigner

wikimedia-foundation

References

2 references

URL	Tags
https://phabricator.wikimedia.org/T412068
https://gerrit.wikimedia.org/r/q/Iee1bf1cbc8a5198…

Impacted products

1 product

Vendor	Product	Version
The Wikimedia Foundation	Mediawiki - ApprovedRevs Extension	Affected: 1.45 Affected: 1.44 Affected: 1.43 Affected: 1.39

Credits

SomeRandomDeveloper SomeRandomDeveloper

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-22712

Vulnerability from fkie_nvd - Published: 2026-01-09 00:15 - Updated: 2026-06-17 10:20

Severity

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

Summary

References

URL	Tags
c4f26cc8-17ff-4c99-b5e2-38fc1793eacc	https://gerrit.wikimedia.org/r/q/Iee1bf1cbc8a519899e7f9dde508856bd4e5a5d2a	Patch
c4f26cc8-17ff-4c99-b5e2-38fc1793eacc	https://phabricator.wikimedia.org/T412068	Exploit, Issue Tracking
134c704f-9b21-4f2e-91b3-4a467353bcc0	https://phabricator.wikimedia.org/T412068	Exploit, Issue Tracking

Impacted products

Vendor	Product	Version
wikiworks	approved_revs	1.39
wikiworks	approved_revs	1.43
wikiworks	approved_revs	1.44
wikiworks	approved_revs	1.45

JSON

To clipboard

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          "userInteraction": "PASSIVE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "LOW",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-22712",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-01-09T19:15:14.724928Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-01-09T00:15:45.837",
  "references": [
    {
      "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
      "tags": [
        "Patch"
      ],
      "url": "https://gerrit.wikimedia.org/r/q/Iee1bf1cbc8a519899e7f9dde508856bd4e5a5d2a"
    },
    {
      "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
      "tags": [
        "Exploit",
        "Issue Tracking"
      ],
      "url": "https://phabricator.wikimedia.org/T412068"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "Exploit",
        "Issue Tracking"
      ],
      "url": "https://phabricator.wikimedia.org/T412068"
    }
  ],
  "sourceIdentifier": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-116"
        }
      ],
      "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
      "type": "Secondary"
    }
  ]
}

GHSA-MRVC-5W25-H6C4

Vulnerability from github – Published: 2026-01-09 00:30 – Updated: 2026-02-12 18:30

Details

Severity

4.3 (Medium)


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

2.3 (Low)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-22712"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-116"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-09T00:15:45Z",
    "severity": "LOW"
  },
  "details": "Improper Encoding or Escaping of Output\u00a0due to magic word replacement in ParserAfterTidy vulnerability in The Wikimedia Foundation Mediawiki - ApprovedRevs Extension allows Input Data Manipulation.This issue affects Mediawiki - ApprovedRevs Extension: 1.45, 1.44, 1.43, 1.39.",
  "id": "GHSA-mrvc-5w25-h6c4",
  "modified": "2026-02-12T18:30:19Z",
  "published": "2026-01-09T00:30:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-22712"
    },
    {
      "type": "WEB",
      "url": "https://gerrit.wikimedia.org/r/q/Iee1bf1cbc8a519899e7f9dde508856bd4e5a5d2a"
    },
    {
      "type": "WEB",
      "url": "https://phabricator.wikimedia.org/T412068"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/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"
    }
  ]
}

WID-SEC-W-2026-0053

Vulnerability from csaf_certbund - Published: 2026-01-08 23:00 - Updated: 2026-01-11 23:00

Summary

MediaWiki: Mehrere Schwachstellen

Severity

Mittel

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung: MediaWiki ist ein freies Wiki, das ursprünglich für den Einsatz auf Wikipedia entwickelt wurde.

Angriff: Ein Angreifer kann mehrere Schwachstellen in MediaWiki ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen, und um Daten zu manipulieren.

Betroffene Betriebssysteme: - Linux - UNIX - Windows

CVE-2026-0671

Affected products

Known affected 1 product

Product	Identifier	Version	Remediation
Open Source MediaWiki <1.46.0-alpha Open Source / MediaWiki		<1.46.0-alpha

CVE-2026-22710

Affected products

Known affected 1 product

Product	Identifier	Version	Remediation
Open Source MediaWiki <1.46.0-alpha Open Source / MediaWiki		<1.46.0-alpha

CVE-2026-22713

Affected products

Known affected 1 product

Product	Identifier	Version	Remediation
Open Source MediaWiki <1.46.0-alpha Open Source / MediaWiki		<1.46.0-alpha

CVE-2026-22714

Affected products

Known affected 1 product

Product	Identifier	Version	Remediation
Open Source MediaWiki <1.46.0-alpha Open Source / MediaWiki		<1.46.0-alpha

CVE-2026-22712

Affected products

Known affected 1 product

Product	Identifier	Version	Remediation
Open Source MediaWiki <1.46.0-alpha Open Source / MediaWiki		<1.46.0-alpha

References

7 references

URL	Category
https://wid.cert-bund.de/.well-known/csaf/white/2…	self
https://wid.cert-bund.de/portal/wid/securityadvis…	self
https://nvd.nist.gov/vuln/detail/CVE-2026-22710	external
https://nvd.nist.gov/vuln/detail/CVE-2026-22712	external
https://nvd.nist.gov/vuln/detail/CVE-2026-22713	external
https://nvd.nist.gov/vuln/detail/CVE-2026-22714	external
https://nvd.nist.gov/vuln/detail/CVE-2026-0671	external

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "MediaWiki ist ein freies Wiki, das urspr\u00fcnglich f\u00fcr den Einsatz auf Wikipedia entwickelt wurde.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in MediaWiki ausnutzen, um einen Cross-Site Scripting Angriff durchzuf\u00fchren, und um Daten zu manipulieren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- UNIX\n- Windows",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2026-0053 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0053.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-0053 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0053"
      },
      {
        "category": "external",
        "summary": "NIST Vulnerability Database vom 2026-01-08",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-22710"
      },
      {
        "category": "external",
        "summary": "NIST Vulnerability Database vom 2026-01-08",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-22712"
      },
      {
        "category": "external",
        "summary": "NIST Vulnerability Database vom 2026-01-08",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-22713"
      },
      {
        "category": "external",
        "summary": "NIST Vulnerability Database vom 2026-01-08",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-22714"
      },
      {
        "category": "external",
        "summary": "NIST Vulnerability Database vom 2026-01-08",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0671"
      }
    ],
    "source_lang": "en-US",
    "title": "MediaWiki: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-01-11T23:00:00.000+00:00",
      "generator": {
        "date": "2026-01-12T09:26:13.258+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2026-0053",
      "initial_release_date": "2026-01-08T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-01-08T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-01-11T23:00:00.000+00:00",
          "number": "2",
          "summary": "Referenz(en) aufgenommen: EUVD-2026-1820, EUVD-2026-1821, EUVD-2026-1816, EUVD-2026-1819"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c1.46.0-alpha",
                "product": {
                  "name": "Open Source MediaWiki \u003c1.46.0-alpha",
                  "product_id": "T049801"
                }
              },
              {
                "category": "product_version",
                "name": "1.46.0-alpha",
                "product": {
                  "name": "Open Source MediaWiki 1.46.0-alpha",
                  "product_id": "T049801-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:mediawiki:mediawiki:1.46.0-alpha"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "MediaWiki"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-0671",
      "product_status": {
        "known_affected": [
          "T049801"
        ]
      },
      "release_date": "2026-01-08T23:00:00.000+00:00",
      "title": "CVE-2026-0671"
    },
    {
      "cve": "CVE-2026-22710",
      "product_status": {
        "known_affected": [
          "T049801"
        ]
      },
      "release_date": "2026-01-08T23:00:00.000+00:00",
      "title": "CVE-2026-22710"
    },
    {
      "cve": "CVE-2026-22713",
      "product_status": {
        "known_affected": [
          "T049801"
        ]
      },
      "release_date": "2026-01-08T23:00:00.000+00:00",
      "title": "CVE-2026-22713"
    },
    {
      "cve": "CVE-2026-22714",
      "product_status": {
        "known_affected": [
          "T049801"
        ]
      },
      "release_date": "2026-01-08T23:00:00.000+00:00",
      "title": "CVE-2026-22714"
    },
    {
      "cve": "CVE-2026-22712",
      "product_status": {
        "known_affected": [
          "T049801"
        ]
      },
      "release_date": "2026-01-08T23:00:00.000+00:00",
      "title": "CVE-2026-22712"
    }
  ]
}

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.

Action not permitted

CVE-2026-22712 (GCVE-0-2026-22712)

FKIE_CVE-2026-22712

GHSA-MRVC-5W25-H6C4

WID-SEC-W-2026-0053

Tags

Sightings

Nomenclature