CVE-2026-87888 YayPricing WordPress plugin - Stored XSS

YayPricing WordPress plugin < 3.5.7 contains a stored XSS caused by missing authorization check on a REST route saving pricing rules, letting users with subscriber role store JavaScript executing in admin's browser, exploit requires subscriber role or higher.

CVSS base score 8.0 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.41% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Stored XSS
Impact
Stored XSS
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Published
12 September 2026
Updated
15 October 2026
Weakness
CWE-79

Vendor fix

Update to version 3.5.7 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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