CVE-2026-14553 Zportals < 6.3.4 - Subscriber+ Arbitrary File Upload
Authenticated users can upload arbitrary PHP files to achieve remote code execution due to insufficient file validation in the Zportals plugin.
- 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-2026-14553?
CVE-2026-14553 is a high-severity vulnerability in Unknown zportals, published on 5 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The zportals WordPress plugin before 6.3.4 does not properly validate uploaded files, trusting the client-supplied content type and preserving the original file extension, allowing any authenticated user (Subscriber or higher) to upload arbitrary PHP files and achieve remote code execution.
Weakness: CWE-434
Which versions are affected by CVE-2026-14553?
How do I fix CVE-2026-14553?
No fix has been published for CVE-2026-14553 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-14553 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-14553 exists.
Sources
Also known as GHSA-h6gx-qwm9-7g7p.