CVE-2020-35475
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
Description
In MediaWiki before 1.35.1, the messages userrights-expiry-current and userrights-expiry-none can contain raw HTML. XSS can happen when a user visits Special:UserRights but does not have rights to change all userrights, and the table on the left side has unchangeable groups in it. (The right column with the changeable groups is not affected and is escaped correctly.)
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-35475
Vendor advisory: arch — https://security.archlinux.org/ASA-202101-22
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 1.35.1-1 | |
| debian | bookworm | fixed | 1:1.35.1-1 |
| debian | bullseye | fixed | 1:1.35.1-1 |
| debian | forky | fixed | 1:1.35.1-1 |
| debian | sid | fixed | 1:1.35.1-1 |
| debian | trixie | fixed | 1:1.35.1-1 |
References
Verify integrity in audit chain (admin only). AS-IS.