Auth bypass in Contact Form By Supsystic

CVE-2026-115302

The Contact Form by Supsystic WordPress plugin before 1.11.1 does not restrict access to an AJAX action that deletes stored form statistics records, allowing unauthenticated attackers to delete arbitrary statistics entries.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.001 (3.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

  • Contact Form By Supsystic

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-115302?
CVE-2026-115302 is a medium-severity vulnerability in Contact Form By Supsystic, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-10-29.
How severe is CVE-2026-115302?
Medium severity. CVSS v3 base score is 5.3 out of 10.