Vulnerability · Published Sep 12, 2026 · Assigned by WPScan

CVE-2026-87888YayPricing < 3.5.7 - Subscriber+ Stored XSS via save_page_data REST Route

High 8.0

In plain English

A high-severity cross-site scripting in YayPricing from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).

Severity (CVSS 3.1)8.0High
Exploit odds (30 days)0.4%top 64.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Unknown YayPricing 0 – before 3.5.7

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

References