CVE-2013-4567
Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x...
Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via a \b (backspace) character in CSS.
Exploit likelihood
What each source reports
NVD Score used
Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via a \b (backspace) character in CSS.
- Record
CVE-2013-4567- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via a \b (backspace) character in CSS.
- Record
CVE-2013-4567- Updated
- 2026-11-02
EUVDEUVD-2013-4425 No score
Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via a \b (backspace) character in CSS.
- Record
EUVD-2013-4425- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r328-753q-m689 No score
Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x...
Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via a \b (backspace) character in CSS.
- Record
GHSA-r328-753q-m689- Updated
- 2026-11-02
OSV No score
Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via a \b (backspace) character in CSS.
- Record
CVE-2013-4567- Updated
- 2026-11-02
OSVDEBIAN-CVE-2013-4567 No score
Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via a \b (backspace) character in CSS.
- Record
DEBIAN-CVE-2013-4567- Updated
- 2026-11-02
OSVMGASA-2013-0368 No score
Updated mediawiki packages fix security vulnerabilities
Updated mediawiki packages fix security vulnerabilities:
Kevin Israel (Wikipedia user PleaseStand) identified and reported two vectors for injecting Javascript in CSS that bypassed MediaWiki's blacklist (CVE-2013-4567, CVE-2013-4568).
Internal review while debugging a site issue discovered that MediaWiki and the CentralNotice extension were incorrectly setting cache headers when a user was autocreated, causing the user's session cookies to be cached, and returned to other users (CVE-2013-4572).
- Record
MGASA-2013-0368- Updated
- 2026-11-02
OSVUBUNTU-CVE-2013-4567 No score
Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via a \b (backspace) character in CSS.
- Record
UBUNTU-CVE-2013-4567- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mediawikiDebian:12 |
before 1:1.19.8+dfsg-2.2 | 1:1.19.8+dfsg-2.2 |
mediawikiDebian:13 |
before 1:1.19.8+dfsg-2.2 | 1:1.19.8+dfsg-2.2 |
mediawikiDebian:14 |
before 1:1.19.8+dfsg-2.2 | 1:1.19.8+dfsg-2.2 |
mediawikiDebian:7 From an advisory covering 11 CVEs |
before 1:1.19.14+dfsg-0+deb7u1, plus listed versions 1:1.19.10+dfsg-11:1.19.11+dfsg-0+deb7u11:1.19.11+dfsg-11:1.19.12+dfsg-11:1.19.13+dfsg-1 Show 11 moreShow less1:1.19.5-11:1.19.5-1+deb7u11:1.19.6-11:1.19.7+dfsg-11:1.19.7+dfsg-1.11:1.19.8+dfsg-11:1.19.8+dfsg-21:1.19.8+dfsg-2.11:1.19.8+dfsg-2.21:1.19.9+dfsg-11:1.19.9+dfsg-2 |
1:1.19.14+dfsg-0+deb7u1 |
mediawiki-extensionsDebian:7 From an advisory covering 11 CVEs |
before 3.5~deb7u1, plus listed versions 2.113.03.13.23.3 Show 4 moreShow less3.43~exp13~exp23~exp3 |
3.5~deb7u1 |
mediawikiMageia:3 From an advisory covering 3 CVEs |
before 1.20.8-1.mga3 | 1.20.8-1.mga3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-4567 is a medium vulnerability (CVSS 4.3) in Mediawiki, published December 12, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.35%, the 71st percentile. Fixed in mediawiki 1:1.19.8+dfsg-2.2.
References
securityfocus.com/bid/63760
secunia.com/advisories/57472
debian.org/security/2014/dsa-2891
lists.wikimedia.org/pipermail/mediawiki-announce/2013-November/000135.html
lists.fedoraproject.org/pipermail/package-announce/2013-December/123011.html
Show 8 moreShow less
bugzilla.wikimedia.org/show_bug.cgi?id=55332
nvd.nist.gov/vuln/detail/CVE-2013-4567
github.com/advisories/GHSA-r328-753q-m689
security-tracker.debian.org/tracker/CVE-2013-4567
advisories.mageia.org/MGASA-2013-0368.html
bugs.mageia.org/show_bug.cgi?id=11854
ubuntu.com/security/CVE-2013-4567
cve.org/CVERecord?id=CVE-2013-4567