Home/CVE/Incomplete blacklist vulnerability in includes/upload/UploadBase.php in MediaWiki before 1.19.24, 1.2x before 1.23.9, an
CVE

CVE-2015-2931

Incomplete blacklist vulnerability in includes/upload/UploadBase.php in MediaWiki before 1.19.24, 1.2x before 1.23.9, an

Incomplete blacklist vulnerability in includes/upload/UploadBase.php in MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2 allows remote attackers to inject arbitrary web script or HTML via an application/xml MIME type for a nested SVG with a data: URI.

MEDIUM · CVSS 4.3 EPSS 0.00281
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

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

Affected Products & Versions

2
mediawiki<= 1.19.23
mediawikiall versions
⚠

Public Exploits & PoCs

1
pocphabricator.wikimedia.org · T85850phabricator.wikimedia.org
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:N/I:P/A:N
Published to NVD13 Apr 2015 · 02:59 PM
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.mandriva.com/security/advisories?name=MDVSA-2015:200
http://www.openwall.com/lists/oss-security/2015/04/01/1
http://www.openwall.com/lists/oss-security/2015/04/07/3
http://www.securityfocus.com/bid/73477
https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.htmlPatchVendor Advisory
https://security.gentoo.org/glsa/201510-05
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