CVE-2020-25814
Medium
Description
In MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4, XSS related to jQuery can occur. The attacker creates a message with [javascript:payload xss] and turns it into a jQuery object with mw.message().parse(). The expected result is that the jQuery object does not contain an <a> tag (or it does not have a href attribute, or it's empty, etc.). The actual result is that the object contains an <a href ="javascript... that executes when clicked.
SeverityMedium
CVSS6.1
Exploit probability—
Product
Mediawiki
PublishedSep 27, 2020
First seenSep 27, 2020
How to fix
Update
- mediawiki mediawiki1.31.10, 1.34.4 or later
- mediawiki/core1.31.9, 1.34.3, 1.35.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mediawiki mediawiki | v < 1.31.10, 1.32.0 ≤ v < 1.34.4 | 1.31.10, 1.34.4 |
| fedoraproject fedora | 33 | — |
| mediawiki/corePackagist | 1.31.0 ≤ v < 1.31.9, 1.32.0 ≤ v < 1.34.3, 1.35.0-rc.0 ≤ v < 1.35.0 | 1.31.9, 1.34.3, 1.35.0 |
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