CVE-2020-29004 Cross-site request forgery in n/a
Attackers can perform unauthorized actions via CSRF because the MediaWiki Push extension API lacks edit token validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-29004?
CVE-2020-29004 is a high-severity vulnerability in Mediawiki Mediawiki, published on 29 Jan 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The API in the Push extension for MediaWiki through 1.35 did not require an edit token in ApiPushBase.php and therefore facilitated a CSRF attack.
Weakness: CWE-352
Which versions are affected by CVE-2020-29004?
1 open source package ship an affected version, including mediawiki. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mediawiki Bitnami | All versions | 1.35.1 |
Products include Mediawiki Mediawiki.
How do I fix CVE-2020-29004?
Upgrade mediawiki to 1.35.1 or later.
Is CVE-2020-29004 being exploited?
There is no known exploitation of CVE-2020-29004 in the wild and no public exploit code.
Other vulnerabilities in Mediawiki Mediawiki
Sources
Also known as BIT-mediawiki-2020-29004, GHSA-m989-hhx2-g8c7.