Auth bypass in Chamawp

CVE-2026-16300

The ChamaWP WordPress plugin before 1.0.13 does not properly validate a password reset request, allowing unauthenticated attackers to reset the password of arbitrary users, including administrators, which could lead to a full site takeover.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (42.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.7% 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-2026-16300: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

  • Chamawp — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-16300?
CVE-2026-16300 is a critical-severity vulnerability in Chamawp, classified under Missing Authorization. CVSS score: 9.8/10. Published 2026-08-03.
How severe is CVE-2026-16300?
Critical severity. CVSS v3 base score is 9.8 out of 10.