XSS in Yo35 Rpb Chessboard

CVE-2026-13042

The RPB Chessboard plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content in all versions up to, and including, 8.1.2 due to insufficient input sanitization and output escaping. This makes it possible for una…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-13042?
CVE-2026-13042 is a high-severity vulnerability in Yo35 Rpb Chessboard, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-07-16.
How severe is CVE-2026-13042?
High severity. CVSS v3 base score is 7.2 out of 10.