The Userback plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the userback_get_json function in all versions up t…

Code

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

• Plugin source · wordpress.org

Timeline

Detection, updates, and resolution for this record.

1. Dec 13, 2025 · NIST NVD

   Detected

   The Userback plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the userback_get_json function in all versions up to, and including, 1.0.15. This makes it possible for authenticated attackers, with Subscriber-level access and above, to extract plugin's configuration data including the Userback API access token and site's posts/pages contents, inc

2. Oct 14, 2026 · NIST NVD

   Updated

   The Userback plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the userback_get_json function in all versions up to, and including, 1.0.15. This makes it possible for authenticated attackers, with Subscriber-level access and above, to extract plugin's configuration data including the Userback API access token and site's posts/pages contents, inc

Sources

• CVE.orgVulnerability recordCVE-2025-14540

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2025-14540

  30-day exploitation probability 0.2%

  first.org
• NIST NVDVulnerability recordCVE-2025-14540

  The Userback plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the userback_get_json function in all versions up to, and including, 1.0.15. This makes it possible for authenticated attackers, with Subscriber-level access and ab

  nvd.nist.gov

References

• Reference · plugins.trac.wordpress.org
• Reference · wordfence.com