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Status published
Medium
CVE-2021-36841
YITH Maintenance Mode (WordPress plugin) <= 1.3.7 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability.
Vulnerability Description
Authenticated Stored Cross-Site Scripting (XSS) vulnerability in YITH Maintenance Mode (WordPress plugin) versions <= 1.3.7, vulnerable parameter &yith_maintenance_newsletter_submit_label. Possible even when unfiltered HTML is disallowed by WordPress configuration.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Original researcher - Asif Nawaz Minhas (Patchstack Red Team)
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Affected Vendor
YITH
View all reports →Affected Software
YITH Maintenance Mode (WordPress plugin)
Vulnerable Versions:
<= 1.3.7
Timeline
Official Publish:
September 27th, 2021
Last Modified:
April 28th, 2026
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N