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Description

The Browse As plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 0.2. This is due to incorrect authentication checking in the 'IS_BA_Browse_As::notice' function with the 'is_ba_original_user_COOKIEHASH' cookie value. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to log in as any existing user on the site, such as an administrator, if they have access to the user id.

PUBLISHED Reserved 2025-05-26 | Published 2025-05-30 | Updated 2026-04-08 | Assigner Wordfence




HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-288 Authentication Bypass Using an Alternate Path or Channel

Product status

Default status
unaffected

Any version
affected

Timeline

2025-05-26:Discovered
2025-05-26:Vendor Notified
2025-05-29:Disclosed

Credits

István Márton finder

References

www.wordfence.com/...-0d54-4c44-b168-a886da1077cb?source=cve

plugins.trac.wordpress.org/...owse-as/tags/0.2/browse-as.php

plugins.trac.wordpress.org/...owse-as/tags/0.2/browse-as.php

cve.org (CVE-2025-5190)

nvd.nist.gov (CVE-2025-5190)

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