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CVE-2026-80338

MEDIUM 6.8 CVSS 3.1
Published
September 24, 2026
Last modified
September 24, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H

Description

The CMB2 WordPress plugin before 2.13.0 does not perform any capability check on one of its AJAX actions, allowing users with a role as low as Subscriber to create arbitrary WordPress options and corrupt existing ones, which can break core site settings and take the site offline. Exploitation requires the site's or another CMB2 WordPress plugin before 2.13.0 to have declared an oEmbed field, as the CMB2 WordPress plugin before 2.13.0 registers none of its own. The stored value is never attacker-controlled, so the issue does not lead to privilege escalation.

Affected WordPress components

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

  • Unknown CMB2 — Before 2.13.0

References

  • wpscan.com https://wpscan.com/vulnerability/7402e0b0-54de-42b3-9032-ae225fb4e76a/
  • nvd.nist.gov Official NVD record