CVE-2026-0829

Frontend File Manager Plugin <= 23.5 - Unauthenticated Arbitrary Email Sending

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.

Affected

Frontend File Manager Plugin

CVSS v3.1 CNA

5.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

EPSS

0.74% chance of exploitation in the next 30 days, 54th percentile

Nuclei

high · CWE-862

Published

2026-02-17

Updated

2026-04-02

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/57d62cea-cfb8-4421-a209-e64a015ad225/

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-0829.yaml

References

• CVE Record
• NVD entry