CVE-2026-87888

YayPricing < 3.5.7 - Subscriber+ Stored XSS via save_page_data REST Route

Published Sep 12, 2026 CVSS 3.1 · 8 High EPSS < 1% KEV · Not listed
Description
The YayPricing WordPress plugin before 3.5.7 does not perform an authorization check on a REST route that saves its pricing rules, allowing users with the subscriber role and above to store JavaScript that executes in the browser of an administrator who opens the YayPricing WordPress plugin before 3.5.7's settings page.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions yaypricing
Vendors & Products Wordpress-extensions
Wordpress-extensions yaypricing
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-79
Type Values Removed Values Added
Description The YayPricing WordPress plugin before 3.5.7 does not perform an authorization check on a REST route that saves its pricing rules, allowing users with the subscriber role and above to store JavaScript that executes in the browser of an administrator who opens the YayPricing WordPress plugin before 3.5.7's settings page.
Title YayPricing < 3.5.7 - Subscriber+ Stored XSS via save_page_data REST Route
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Sep 12, 2026, 3:29 PM
Reserved
Sep 9, 2026, 2:26 PM
Status
Deferred
Published
Sep 12, 2026, 6:16 AM
Modified
Sep 14, 2026, 9:10 PM