vulnerability
MediaWiki: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CVE-2021-31550)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:S/C:N/I:P/A:N) | Apr 22, 2021 | Apr 26, 2021 | Apr 7, 2026 |
Severity
4
CVSS
(AV:N/AC:M/Au:S/C:N/I:P/A:N)
Published
Apr 22, 2021
Added
Apr 26, 2021
Modified
Apr 7, 2026
Description
An issue was discovered in the CommentBox extension for MediaWiki through 1.35.2. Via crafted configuration variables, a malicious actor could introduce XSS payloads into various layers.
Solution
mediawiki-upgrade-latest
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