CVE-2026-0829 Frontend File Manager Plugin <= 23.5 - Unauthenticated Arbitrary Email Sending
Unauthenticated attackers can send arbitrary emails and access uploaded files via ID guessing, enabling spam and data exposure.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0829?
CVE-2026-0829 is a medium-severity missing authorization vulnerability in Unknown Frontend File Manager Plugin, published on 17 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Frontend File Manager Plugin WordPress plugin through 23.5 allows unauthenticated users to send emails through the site without any security checks. This lets attackers use the WordPress site as an open relay for spam or phishing emails to anyone. Attackers can also guess file IDs to access and share uploaded files without permission, exposing sensitive information.
Weakness: CWE-862
Which versions are affected by CVE-2026-0829?
How do I fix CVE-2026-0829?
No fix has been published for CVE-2026-0829 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-0829 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-0829 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-wmq7-3p89-w6h8.