CVE-2023-37304 Cross-site scripting in n/a
Cross-site scripting vulnerability in the DoubleWiki extension for MediaWiki allows attackers to inject malicious scripts via column alignment features.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-37304?
CVE-2023-37304 is a medium-severity cross-site scripting vulnerability in Mediawiki Mediawiki, published on 30 Jun 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
An issue was discovered in the DoubleWiki extension for MediaWiki through 1.39.3. includes/DoubleWiki.php allows XSS via the column alignment feature.
Weakness: CWE-79
Which versions are affected by CVE-2023-37304?
1 open source package ship an affected version, including mediawiki. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mediawiki Bitnami | All versions | 1.39.4 |
Products include Mediawiki Mediawiki.
How do I fix CVE-2023-37304?
Upgrade mediawiki to 1.39.4 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2023-37304 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-37304 exists.
Other vulnerabilities in Mediawiki Mediawiki
Sources
Also known as BIT-mediawiki-2023-37304, GHSA-7f2c-8j3g-587g, UBUNTU-CVE-2023-37304.