CVE-2021-31546 Information disclosure in n/a
Attackers with AbuseFilter log access can view sensitive suppression deletion data that should remain hidden.
- 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-2021-31546?
CVE-2021-31546 is a medium-severity vulnerability in Mediawiki Mediawiki, published on 22 Apr 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 AbuseFilter extension for MediaWiki through 1.35.2. It incorrectly logged sensitive suppression deletions, which should not have been visible to users with access to view AbuseFilter log data.
Weakness: CWE-532
Which versions are affected by CVE-2021-31546?
1 open source package ship an affected version, including mediawiki. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mediawiki Bitnami | All versions | 1.35.3 |
Products include Mediawiki Mediawiki.
How do I fix CVE-2021-31546?
Upgrade mediawiki to 1.35.3 or later.
Is CVE-2021-31546 being exploited?
There is no known exploitation of CVE-2021-31546 in the wild and no public exploit code.
Other vulnerabilities in Mediawiki Mediawiki
Sources
Also known as BIT-mediawiki-2021-31546, GHSA-m6mr-cqmw-69c6.