CVE-2026-5344 Textpattern XML-RPC TXP_RPCServer.php mt_uploadImage path traversal
Attackers can exploit a path traversal flaw in the XML-RPC handler to read or modify arbitrary files on the server.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-5344?
CVE-2026-5344 is a medium-severity path traversal vulnerability in Textpattern, published on 2 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security vulnerability has been detected in Textpattern up to 4.9.1. Affected by this vulnerability is the function mt_uploadImage of the file rpc/TXP_RPCServer.php of the component XML-RPC Handler. The manipulation of the argument file.name leads to path traversal. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor confirmed the issue and will provide a fix in the upcoming release.
Weakness: CWE-22
Which versions are affected by CVE-2026-5344?
How do I fix CVE-2026-5344?
No fix has been published for CVE-2026-5344 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-5344 being exploited?
There is no known exploitation of CVE-2026-5344 in the wild and no public exploit code.
Sources
Also known as GHSA-hwj5-vvrp-w79h.