Vulnerability · Published Dec 24, 2021 · Assigned by mitre
CVE-2021-45474
Medium 6.1
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 1.0% (higher than 63% of all known vulnerabilities).
Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)1.0%top 37.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In MediaWiki through 1.37, the Special:ImportFile URI (aka FileImporter) allows XSS, as demonstrated by the clientUrl parameter.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:25.10 | mediawiki | no fix listed | UBUNTU-CVE-2021-45474 |
| Ubuntu:26.04:LTS | mediawiki | no fix listed | UBUNTU-CVE-2021-45474 |
| Ubuntu:26.10 | mediawiki | no fix listed | UBUNTU-CVE-2021-45474 |
Affected products (as reported)
References
- https://phabricator.wikimedia.org/T296605 x_refsource_MISC
- https://gerrit.wikimedia.org/r/q/Id1c8910aeac5b452fbabeddab70360765518223e x_refsource_MISC
- FEDORA-2021-bef1126908 vendor-advisory, x_refsource_FEDORA