Vulnerability in MediaWiki
CVE-2020-10960
In MediaWiki before 1.34.1, users can add various Cascading Style Sheets (CSS) classes (which can affect what content is shown or hidden in the user interface) to arbitrary DOM nodes via HTML content within a MediaWiki page. This occurs because jquery.makeCollapsible allows applying an event handler to any Cascading Style Sheets (CSS) selector. There is no known way to exploit this for cross-site scripting (XSS).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.012 (65.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
Weakness classification (CWE)
References
- phabricator.wikimedia.org/T246602 (Exploit, Vendor Advisory)
- lists.wikimedia.org/pipermail/wikitech-l/2020-March/093243.html (Patch, Mailing List, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-10960?
- CVE-2020-10960 is a medium-severity vulnerability in MediaWiki, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 5.3/10. Published 2020-04-03.
- How severe is CVE-2020-10960?
- Medium severity. CVSS v3 base score is 5.3 out of 10.