Vulnerability · Published Nov 24, 2020 · Assigned by mitre
CVE-2020-29003
Medium 5.4
In plain English
A medium-severity security flaw in the mediawiki package (Ubuntu). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).
Severity (CVSS NVD)5.4Medium
Exploit odds (30 days)0.5%top 55.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
The PollNY extension for MediaWiki through 1.35 allows XSS via an answer option for a poll question, entered during Special:CreatePoll or Special:UpdatePoll.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:25.10 | mediawiki | no fix listed | UBUNTU-CVE-2020-29003 |
| Ubuntu:26.04:LTS | mediawiki | no fix listed | UBUNTU-CVE-2020-29003 |
| Ubuntu:26.10 | mediawiki | no fix listed | UBUNTU-CVE-2020-29003 |
Affected products (as reported)
References
- https://phabricator.wikimedia.org/T266508 x_refsource_MISC