Auth bypass in Rtmkit

CVE-2026-12907

The RTMKit WordPress plugin before 2.0.9 does not perform a proper capability check on one of its -builder AJAX actions, allowing users with at least the Author role to create and activate a site-wide template that overrides the header, footer or other global areas displayed to all visitors, which is normally restricted to administrators.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-12907: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • Rtmkit — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-12907?
CVE-2026-12907 is a low-severity vulnerability in Rtmkit, classified under Missing Authorization. CVSS score: 2.7/10. Published 2026-07-16.
How severe is CVE-2026-12907?
Low severity. CVSS v3 base score is 2.7 out of 10.