Vulnerability · Published Apr 22, 2021 · Assigned by mitre
CVE-2021-31555
High 7.5
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)0.8%top 43.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in the Oauth extension for MediaWiki through 1.35.2. It did not validate the oarc_version (aka oauth_registered_consumer.oarc_version) parameter's length.
Affected products (as reported)
References
- https://phabricator.wikimedia.org/T277388 x_refsource_MISC
- https://gerrit.wikimedia.org/r/q/I222c053b4b14ac1ad0f5b3a51565b1b9cd4c139d x_refsource_MISC