CVE-2021-44855

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. There is Blind Stored XSS via a URL to the Upload Image feature.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://phabricator.wikimedia.org/T293589	Exploit Issue Tracking Vendor Advisory
https://security.gentoo.org/glsa/202305-24
https://phabricator.wikimedia.org/T293589	Exploit Issue Tracking Vendor Advisory
https://security.gentoo.org/glsa/202305-24

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki:1.37.0:-::::::
	cpe:2.3:a:mediawiki:mediawiki:1.37.0:rc0::::::
	cpe:2.3:a:mediawiki:mediawiki:1.37.0:rc1::::::
	cpe:2.3:a:mediawiki:mediawiki:1.37.0:rc2::::::

History

21 Nov 2024, 06:31

Type	Values Removed	Values Added
References	~~() https://phabricator.wikimedia.org/T293589 - Exploit, Issue Tracking, Vendor Advisory~~	() https://phabricator.wikimedia.org/T293589 - Exploit, Issue Tracking, Vendor Advisory
References	~~() https://security.gentoo.org/glsa/202305-24 -~~	() https://security.gentoo.org/glsa/202305-24 -

21 May 2023, 22:15

Type	Values Removed	Values Added
References		(MISC) https://security.gentoo.org/glsa/202305-24 -

Information

Published : 2022-12-26 05:15

Updated : 2025-04-14 16:15

NVD link : CVE-2021-44855

Mitre link : CVE-2021-44855

CVE.ORG link : CVE-2021-44855

JSON object : View

Products Affected

mediawiki

mediawiki

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"id": "CVE-2021-44855", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.3}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.3}]}, "published": "2022-12-26T05:15:10.740", "references": [{"url": "https://phabricator.wikimedia.org/T293589", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/202305-24", "source": "cve@mitre.org"}, {"url": "https://phabricator.wikimedia.org/T293589", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/202305-24", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-79"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. There is Blind Stored XSS via a URL to the Upload Image feature."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en MediaWiki antes de 1.35.5, 1.36.x antes de 1.36.3 y 1.37.x antes de 1.37.1. Hay XSS almacenado a ciegas a trav\u00e9s de una URL a la funci\u00f3n Cargar imagen."}], "lastModified": "2025-04-14T16:15:18.363", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "99942EE7-37A1-42CD-B392-8ED9362430E2", "versionEndExcluding": "1.35.5"}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7377A8D6-3B2E-4FD6-820A-4CD632158111", "versionEndExcluding": "1.36.3", "versionStartIncluding": "1.36.0"}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.37.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0B3400A0-D77C-45D4-8868-73AF0B82B6B0"}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.37.0:rc0:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F533BF3B-6FBC-4CA6-A645-A321E20B9804"}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.37.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7CBE66AB-8BE5-4A96-9B90-8F3238AE7CBC"}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.37.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "18A9BF2D-7DDF-4C9D-838A-D8BA511A2CD6"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}