Path Traversal in Textpattern
CVE-2026-5344
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (32.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Textpattern — versions 4.9.0, 4.9.1
Weakness classification (CWE)
References
- vuldb.com/vuln/354696 (technical-description, vdb-entry)
- vuldb.com/vuln/354696/cti (signature, permissions-required)
- vuldb.com/submit/769166 (third-party-advisory)
- github.com/LTX-GOD/Mycve/blob/main/Textpatterncms_en.md (exploit, broken-link)
Frequently asked questions
- What is CVE-2026-5344?
- CVE-2026-5344 is a medium-severity vulnerability in Textpattern, classified under Path Traversal. CVSS score: 6.3/10. Published 2026-04-02.
- How severe is CVE-2026-5344?
- Medium severity. CVSS v3 base score is 6.3 out of 10.