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CVE-2026-76780

MEDIUM 6.3 CVSS 3.1
Published
October 28, 2026
Last modified
October 29, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-269
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Description

The Beyondseo plugin for WordPress is vulnerable to unauthorized access in versions up to, and including, 1.3.6. This is due to the plugin permanently granting the 'rankingcoach_write_redirectManager' (and sibling rankingcoach_write_* module capabilities) to the Contributor role via BaseModule::defineCapabilities(), whose default role list includes 'contributor', combined with the module's REST endpoints (registered through BaseSubmoduleApi::registerRouteCreate/registerRouteEdit/registerRouteDelete) authorizing state-changing requests solely through checkPermissionsPost(), which only calls current_user_can('rankingcoach_write_<module>') and performs no admin capability, ownership, or additional nonce check inside the callback. This makes it possible for authenticated attackers, with Contributor-level access and above, to elevate their privileges to effectively that of an Administrator with respect to site-wide redirect management — creating, updating, or deleting 301/302 redirects that RedirectManagerHooks::handleRedirects() executes for every frontend visitor on template_redirect, allowing hijacking of arbitrary paths (including /checkout, /wp-login.

Affected WordPress components

  • BeyondSEO – AI SEO to Improve Rankings, Listings & Online Visibility Plugin · beyondseo
    Confirmed match Active
    Up to and including 1.3.6
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • rankingcoach BeyondSEO – AI SEO to Improve Rankings, Listings & Online Visibility — Up to and including 1.3.6

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/beyondseo/tags/1.3.1/inc/Modules/ModuleBase/BaseModule.php#L249
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/beyondseo/tags/1.3.1/inc/Modules/ModuleBase/BaseSubmoduleApi.php#L289
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/beyondseo/tags/1.3.1/inc/Modules/ModuleLibrary/Links/RedirectManager/RedirectManager.php#L67
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/beyondseo/tags/1.3.1/inc/Modules/ModuleLibrary/Links/RedirectManager/RedirectManagerApi.php#L266
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/beyondseo/tags/1.3.1/inc/Modules/ModuleLibrary/Links/RedirectManager/RedirectManagerHooks.php#L51
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3722492%40beyondseo&new=3722492%40beyondseo
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/dd4b2396-288f-45e6-b911-b017dc8d0526?source=cve
  • nvd.nist.gov Official NVD record