CVE-2026-86799

HIGHCVSS 8.8/10EPSS 0.21%

Last modified

CVE-2026-86799 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The Forms WordPress plugin before 3.0.2 does not sanitise submitted form values on storage, nor escape them before outputting them on the form submissions screen in the administration dashboard, allowing unauthenticated users to inject arbitrary web scripts that will execute in the browser of any administrator viewing the submissions.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

The Forms WordPress plugin before 3.0.2 does not sanitise submitted form values on storage, nor escape them before outputting them on the form submissions screen in the administration dashboard, allowing unauthenticated users to inject arbitrary web scripts that will execute in the browser of any administrator viewing the submissions.

Metrics

EPSS Probability
0.21%

10.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

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

VendorProductVersions
UnknownForms< 3.0.2

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-86799?
The Forms WordPress plugin before 3.0.2 does not sanitise submitted form values on storage, nor escape them before outputting them on the form submissions screen in the administration dashboard, allowing unauthenticated users to inject arbitrary web scripts that will execute in the browser of any administrator viewing the submissions.
How severe is CVE-2026-86799?
CVE-2026-86799 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-86799?
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.

How Strix Helps

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Source: NVD / NIST