CVEvulnerability
CVE-2021-31555
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-04-22
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-20
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 configurations
• mediawiki mediawiki (<= 1.35.2)
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- https://gerrit.wikimedia.org/r/q/I222c053b4b14ac1ad0f5b3a51565b1b9cd4c139d Issue Tracking, Vendor Advisory
- https://phabricator.wikimedia.org/T277388 Third Party Advisory
- https://gerrit.wikimedia.org/r/q/I222c053b4b14ac1ad0f5b3a51565b1b9cd4c139d Issue Tracking, Vendor Advisory
- https://phabricator.wikimedia.org/T277388 Third Party Advisory