Auth bypass in Managewp Worker

CVE-2026-18052

The ManageWP Worker WordPress plugin before 4.9.37 does not bind the account being logged in to the signature which authorises the login, nor prevent an already used login link from being replayed, allowing attackers who obtain such a link to gain a session as any user on the site, including an administrator.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (29.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.0% 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-2026-18052: held from 0.003 to 0.004.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

  • Managewp Worker

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-18052?
CVE-2026-18052 is a high-severity vulnerability in Managewp Worker, classified under Improper Authentication. CVSS score: 8.1/10. Published 2026-08-22.
How severe is CVE-2026-18052?
High severity. CVSS v3 base score is 8.1 out of 10.