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CVE-2026-1969

ThemeREX Addons < 2.38.5 - Unauthenticated Arbitrary File Upload

Published: Mar 23, 2026Updated: Apr 15, 2026 Sources: CVE List NVDCWE-434
5.3MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 90.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

The trx_addons WordPress plugin before 2.38.5 does not correctly validate file types in one of its AJAX action, allowing unauthenticated users to upload arbitrary file. This is due to an incorrect fix of CVE-2024-13448

In plain language

AI Act now

If you run the trx_addons WordPress plugin, older versions (before 2.38.5) can be abused by outsiders to upload harmful files without logging in—this is the kind of weakness attackers are actively scanning for, so you should update.

Executive summary

CVE-2026-1969 is an unauthenticated arbitrary file upload in the trx_addons WordPress plugin (versions before 2.38.5) caused by improper file type validation in an AJAX action, enabling attackers to upload files such as webshells.

If affected, business impact
Website takeover via webshellBackdoor placed for future accessMalware and data theft riskReputation and downtime damage

What to do now

  1. Check whether your website uses the trx_addons WordPress plugin and note its exact version number.
  2. If the version is earlier than 2.38.5, upgrade trx_addons to 2.38.5.
  3. If you cannot upgrade right away, temporarily disable the trx_addons plugin and remove/clean any suspicious files in the WordPress plugin/theme upload areas until it’s patched.
  4. After updating, review WordPress access logs and server logs for unusual POST/AJAX requests to the trx_addons endpoints and for any newly created files uploaded around the time of alerts.
npm install trx_addons@2.38.5
Usually a quick update

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-434

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

3 techniques
Command and Control
Initial Access
Persistence
View detailed technique mapping

References

https://wpscan.com/vulnerability/762530ae-80a5-4ff8-9725-6adab9498c33/
wpscan.com
News mentions
2

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