CVE-2026-11570

MEDIUMCVSS 4.2/10EPSS 0.17%

Last modified

CVE-2026-11570 is a medium-severity vulnerability rated 4.2/10 on the CVSS scale. 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 estimates a 0.17% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
4.2/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

EPSS Probability
0.17%

6.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
UnknownUser Submitted Posts< 20260608

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is 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.
How severe is CVE-2026-11570?
CVE-2026-11570 has a CVSS score of 4.2/10 (MEDIUM severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2026-11570?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST