What is CVE-2026-10077?

CVE-2026-10077 is a medium-severity vulnerability in Yootheme, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 6.8/10. Published 2026-07-02.

How severe is CVE-2026-10077?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Yootheme

CVE-2026-10077

The yootheme WordPress theme before 5.0.35 does not prevent its bundled front-end framework from treating certain HTML attributes, which are permitted by wp_kses_post(), as markup, allowing users with the Author role to perform Stored Cross-Site Scripting attacks that execute in the browser of any user who views the affected post.

EPSS: 0.002 (15.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H.

Affected products

Unknown Yootheme — versions 0

References

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

Frequently asked questions

What is CVE-2026-10077?: CVE-2026-10077 is a medium-severity vulnerability in Yootheme, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 6.8/10. Published 2026-07-02.
How severe is CVE-2026-10077?: Medium severity. CVSS v3 base score is 6.8 out of 10.