CVE-2026-16942

MEDIUMCVSS 5.4/10EPSS 0.15%

Last modified

CVE-2026-16942 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The WP Custom HTML Page WordPress plugin through 0.6.2 does not sanitise HTML stored through one of its custom page handlers, nor restrict it to users allowed to post unfiltered HTML, allowing users with the Author role to store JavaScript that is served unescaped at a public URL and executes for any visitor, including administrators.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

Description

The WP Custom HTML Page WordPress plugin through 0.6.2 does not sanitise HTML stored through one of its custom page handlers, nor restrict it to users allowed to post unfiltered HTML, allowing users with the Author role to store JavaScript that is served unescaped at a public URL and executes for any visitor, including administrators.

Metrics

CVSS 3.1
5.4/10

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

EPSS Probability
0.15%

4.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

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

VendorProductVersions
UnknownWP Custom HTML Page<= 0.6.2

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-16942?
The WP Custom HTML Page WordPress plugin through 0.6.2 does not sanitise HTML stored through one of its custom page handlers, nor restrict it to users allowed to post unfiltered HTML, allowing users with the Author role to store JavaScript that is served unescaped at a public URL and executes for any visitor, including administrators.
How severe is CVE-2026-16942?
CVE-2026-16942 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.
How do I fix CVE-2026-16942?
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