Vulnerability · CVE-2026-2899
The Fluent Forms Pro Add On Pack plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 6.1.17.
Published Mar 5, 2026 · catalog updated Jun 17, 2026 · The Fluent Forms Pro
Check if you run it
No confirmed exploitation is on record for CVE-2026-2899. EPSS is 0.37%. Act only if a listed version of The Fluent Forms Pro is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (The Fluent Forms Pro).
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium6.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.37%
- Remediation
- Version ranges on file
- Affected products
- stated named in the record
The Fluent Forms Pro Add On Pack plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 6.1.17. This is due to the method in the class lacking nonce verification and capability checks. The AJAX action is registered via which creates both and hooks. This makes it possible for unauthenticated attackers to delete arbitrary WordPress media attachments via the parameter. Note: The researcher described file deletion via the parameter using , but the actual code uses for path-based deletion which prevents exploitation. The vulnerability is exploitable via the parameter instead.
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.
- stated named in the record<= 6.1.17
How to fix CVE-2026-2899
Recommended remediation
Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.
Official advisories
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-2026-2899. EPSS is 0.37%. Act only if a listed version of The Fluent Forms Pro is installed.
Which versions are affected?
Compare what you have installed with named in the record <= 6.1.17. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-862: Missing Authorization. EPSS 0.37%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
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.
Mar 5, 2026 · NIST NVD
Detected
The Fluent Forms Pro Add On Pack plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 6.1.17. This is due to the method in the class lacking nonce verification and capability checks. The AJAX action is registered via which creates both and hooks. This makes it possible for unauthenticated attackers to delete arbitrary WordPress media attachments via the
Jun 17, 2026 · NIST NVD
Updated
The Fluent Forms Pro Add On Pack plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 6.1.17. This is due to the method in the class lacking nonce verification and capability checks. The AJAX action is registered via which creates both and hooks. This makes it possible for unauthenticated attackers to delete arbitrary WordPress media attachments via the
Sources
- CVE.orgVulnerability recordCVE-2026-2899
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-2899
30-day exploitation probability 0.4%
first.org - NIST NVDVulnerability recordCVE-2026-2899
The Fluent Forms Pro Add On Pack plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 6.1.17. This is due to the method in the class lacking nonce verification and capability checks. The AJAX action is registe
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.