Privilege escalation in Content Mask

CVE-2026-77003

The Content Mask WordPress plugin before 1.8.5.5 does not check the capability required to publish the post type being created, allowing users with a role as low as Contributor to publish posts and pages on the site without holding the publish capability.

Vulnerability class: Privilege Escalation

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 (18.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.9% 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-2026-77003: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

  • Content Mask

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-77003?
CVE-2026-77003 is a low-severity vulnerability in Content Mask, classified under Improper Privilege Management. CVSS score: 2.7/10. Published 2026-08-23.
How severe is CVE-2026-77003?
Low severity. CVSS v3 base score is 2.7 out of 10.