CVE-2019-16529 Information disclosure in n/a
Attackers can view oversighted edit summaries in CheckUser results, violating permissions and exposing hidden data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-16529?
CVE-2019-16529 is a medium-severity vulnerability in n/a, published on 19 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in the CheckUser extension through 1.35.0 for MediaWiki. Oversighted edit summaries are still visible in CheckUser results in violation of MediaWiki's permissions model.
Which versions are affected by CVE-2019-16529?
It affects 1 product.
Products include Mediawiki Checkuser.
How do I fix CVE-2019-16529?
No fix has been published for CVE-2019-16529 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-16529 being exploited?
There is no known exploitation of CVE-2019-16529 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2015-2940 Cross-site request forgery in n/a
- CVE-2019-18611 Information disclosure in n/a
- CVE-2026-34090 Suggested investigations: Handle suppressed usernames
- CVE-2025-61658 Special:GlobalContributions shows edits on wikis the viewer doesn't have access to
- CVE-2025-61648 Stored XSS through system messages in CheckUser
Sources
Also known as GHSA-52q2-xjmg-48v8.