What is CVE-2026-10551?

CVE-2026-10551 is a medium-severity vulnerability in Breeze Cache, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 6.1/10. Published 2026-07-13.

How severe is CVE-2026-10551?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Vulnerability in Breeze Cache

CVE-2026-10551

The Breeze Cache WordPress plugin before 2.5.6 is vulnerable to unauthenticated Stored Cross-Site Scripting (XSS) due to a predictable replacement hash used during the HTML minification process and abusing a regular expression. This allows an attacker to inject arbitrary HTML attributes in the final HTML output by anticipating the placeholder format.

EPSS: 0.003 (16.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Unknown Breeze Cache — versions 0

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-10551?: CVE-2026-10551 is a medium-severity vulnerability in Breeze Cache, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 6.1/10. Published 2026-07-13.
How severe is CVE-2026-10551?: Medium severity. CVSS v3 base score is 6.1 out of 10.