How severe is CVE-2026-0800?

High severity. CVSS v3 base score is 7.2 out of 10.

XSS in Specialk User Submitted Posts – Enable Users To Submit From The Front End

CVE-2026-0800

The User Submitted Posts – Enable Users to Submit Posts from the Front End plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the custom fields in all versions up to, and including, 20251210 due to insufficient input san…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (11.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Specialk User Submitted Posts – Enable Users To Submit From The Front End — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-0800?: CVE-2026-0800 is a high-severity vulnerability in Specialk User Submitted Posts – Enable Users To Submit From The Front End, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-01-24.
How severe is CVE-2026-0800?: High severity. CVSS v3 base score is 7.2 out of 10.