XSS in MediaWiki
CVE-2013-4303
includes/libs/IEUrlExtension.php in the MediaWiki API in MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 does not properly detect extensions when there are an even number of "." (period) characters in a string, which allows remote attackers to conduct cross-site scripting (XSS) attacks via the siprop parameter in a query action to wiki/api.php.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.015 (73.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- MediaWiki
- Wikimedia Foundation MediaWiki — versions 1.20.x before 1.20.7, 1.19.x before 1.19.8, and 1.21.x before 1.21.2
Weakness classification (CWE)
References
- lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html (Patch, Mailing List, Vendor Advisory)
- seclists.org/oss-sec/2013/q3/553 (Mailing List, Third Party Advisory)
- bugzilla.wikimedia.org/show_bug.cgi (Exploit, Patch, Issue Tracking, Vendor Advisory)
- www.securityfocus.com/bid/62194 (VDB Entry, Third Party Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/86897 (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2013-4303?
- CVE-2013-4303 is a medium-severity vulnerability in MediaWiki, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-12-11.
- How severe is CVE-2013-4303?
- Medium severity. CVSS v3 base score is 6.1 out of 10.