CVE-2021-42049 Business logic in n/a
Oversighters can improperly undo or suppress revisions containing sensitive data, allowing them to whitewash history in the MediaWiki Translate extension.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-42049?
CVE-2021-42049 is a medium-severity vulnerability in Mediawiki Mediawiki, published on 6 Oct 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue was discovered in the Translate extension in MediaWiki through 1.36.2. Oversighters cannot undo revisions or oversight on pages where they suppressed information (such as PII). This allows oversighters to whitewash revisions.
Which versions are affected by CVE-2021-42049?
1 open source package ship an affected version, including mediawiki. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mediawiki Bitnami | All versions | 1.36.3 |
Products include Mediawiki Mediawiki.
How do I fix CVE-2021-42049?
Upgrade mediawiki to 1.36.3 or later.
Is CVE-2021-42049 being exploited?
There is no known exploitation of CVE-2021-42049 in the wild and no public exploit code.
Other vulnerabilities in Mediawiki Mediawiki
Sources
Also known as BIT-mediawiki-2021-42049, GHSA-x6fm-mp52-ff66.