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Vulnerabilities

Threat intelligence · CVE-2026-0829

The Frontend File Manager Plugin WordPress plugin through 23.5 allows unauthenticated users to send emails through the site without any security checks.

Published Feb 17, 2026 · catalog updated Apr 2, 2026 · Unknown Frontend File Manager Plugin

Last checked Nov 13, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-0829. EPSS is 0.73%. Act only if a listed version of Unknown Frontend File Manager Plugin is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.73%
Remediation
Vendor / distro source
Affected products
vendor Unknown Frontend File Manager Plugin 0 ≤23.5

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Unknown Frontend File Manager Plugin 0 ≤23.50 ≤23.5

How to fix CVE-2026-0829

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-0829. EPSS is 0.73%. Act only if a listed version of Unknown Frontend File Manager Plugin is installed.

Which versions are affected?

Compare what you have installed with Unknown Frontend File Manager Plugin 0 ≤23.5 0 ≤23.5. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.73%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 17, 2026 · EUVD

    Detected

    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.

  2. Apr 2, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-0829

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-0829

    30-day exploitation probability 0.73%

    first.org
  • EUVDVulnerability recordEUVD-2026-7828

    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 fil

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 13, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 13, 2026
  • CVE.orgNov 7, 2026
  • EUVDNov 7, 2026