CVEvulnerability
CVE-2021-42042
4.8 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-10-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.8 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- CVSS 2.0 ([email protected])
- 3.5 LOW — AV:N/AC:M/Au:S/C:N/I:P/A:N
- Weaknesses
- CWE-79
Description
An issue was discovered in SpecialEditGrowthConfig in the GrowthExperiments extension in MediaWiki through 1.36.2. The growthexperiments-edit-config-error-invalid-title MediaWiki message was not being properly sanitized and allowed for the injection and execution of HTML and JavaScript.
Affected configurations
• mediawiki mediawiki (<= 1.36.2)
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://gerrit.wikimedia.org/r/q/Ibeb13d032ca044af53f6b2334e27b6b97b6f4e9f Patch, Vendor Advisory
- https://phabricator.wikimedia.org/T290692 Issue Tracking, Patch, Vendor Advisory
- https://gerrit.wikimedia.org/r/q/Ibeb13d032ca044af53f6b2334e27b6b97b6f4e9f Patch, Vendor Advisory
- https://phabricator.wikimedia.org/T290692 Issue Tracking, Patch, Vendor Advisory