PT-2026-95760 · WordPress · Lock Master
CVE-2026-88824
·
Published
2026-09-19
·
Updated
2026-09-20
CVSS v3.1
8.8
High
| Vector | AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Master Blocks versions prior to 1.5.0
Description
An authorization flaw exists in a REST route that allows unauthenticated users to update plugin settings. This includes the ability to modify a value that is output unescaped in the administration area, resulting in Stored Cross-Site Scripting (XSS), where malicious scripts are permanently stored on the server and executed in the session of any administrator visiting a wp-admin page.
Recommendations
Update Master Blocks to version 1.5.0 or later.
Exploit
Fix
XSS
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Weakness Enumeration
Related Identifiers
Affected Products
Lock Master