Textpattern up to 4.9.1 XML-RPC rpc/TXP_RPCServer.php mt_uploadImage file.name path traversal
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.0 | $0-$5k | 1.55 |
Summary
A vulnerability was found in Textpattern up to 4.9.1. It has been declared as critical. Affected by this issue 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 results in path traversal.
This vulnerability is identified as CVE-2026-5344. The attack can be executed remotely. Additionally, an exploit exists.
The vendor confirmed the issue and will provide a fix in the upcoming release.
Details
A vulnerability was found in Textpattern up to 4.9.1. It has been classified as critical. Affected 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 with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, integrity, and availability.
The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-5344. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1006.
The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor confirmed the issue and will provide a fix in the upcoming release. By approaching the search of inurl:rpc/TXP_RPCServer.php it is possible to find vulnerable targets with Google Hacking.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Path traversalCWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Google Hack: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
04/01/2026 Advisory disclosed04/01/2026 VulDB entry created
04/01/2026 VulDB entry last update
Sources
Advisory: github.comStatus: Confirmed
CVE: CVE-2026-5344 (🔒)
GCVE (CVE): GCVE-0-2026-5344
GCVE (VulDB): GCVE-100-354696
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 04/01/2026 18:02Changes: 04/01/2026 18:02 (57)
Complete: 🔍
Submitter: zsmaaa
Cache ID: 216:2DB:103
Submit
Accepted
- Submit #769166: Textpattern 4.9.1 Textpattern XML-RPC Arbitrary File Write (by zsmaaa)
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