CVE-2015-2931 json
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 1.2…
published 11y ago modified 4mo ago also EUVD-2015-3016
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.2%
- EPSS 2.2% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- mediawiki Debian 14, Debian 13, Debian 12 1:1.19.20+dfsg-2.3
debian advisories DEBIAN-CVE-2015-2931
Is CVE-2015-2931 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2015-2931 updated cvss 4.3
mediawiki: mediawiki: security issues fixed in the 1.24.2, 1.23.9, and 1.19.24 releases
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
2.20% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- phabricator.wikimedia.org https://phabricator.wikimedia.org/T85850 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
lists.wikimedia.org
/pipermail/mediawiki-announce/2015-March/000175.html
mailing-list, patch, vendor-advisory
-
phabricator.wikimedia.org
/T85850
exploit
-
security.gentoo.org
/glsa/201510-05
vendor-advisory
-
mandriva.com
/security/advisories?name=MDVSA-2015:200
vendor-advisory
-
securityfocus.com
/bid/73477
vdb-entry
-
openwall.com
/lists/oss-security/2015/04/07/3
mailing-list
-
openwall.com
/lists/oss-security/2015/04/01/1
mailing-list
Sources
- CVE List CVE-2015-2931
- NVD CVE-2015-2931
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.