What is CVE-2026-11570?

CVE-2026-11570 is a medium-severity vulnerability in User Submitted Posts, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 4.2/10. Published 2026-07-01.

How severe is CVE-2026-11570?

Medium severity. CVSS v3 base score is 4.2 out of 10.

Vulnerability in User Submitted Posts

CVE-2026-11570

The User Submitted Posts WordPress plugin before 20260608 does not escape a submitted value before outputting it in an admin-configured display template, leading to a Stored Cross-Site Scripting that can be triggered by unauthenticated users when a non-default display option is enabled.

EPSS: 0.001 (3.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Unknown User Submitted Posts — versions 0

References

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

Frequently asked questions

What is CVE-2026-11570?: CVE-2026-11570 is a medium-severity vulnerability in User Submitted Posts, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 4.2/10. Published 2026-07-01.
How severe is CVE-2026-11570?: Medium severity. CVSS v3 base score is 4.2 out of 10.