Read the docs

Contact Form by Supsystic lets attackers delete statistics

Priority LOW 29CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-862.

Summary

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. An unauthenticated attacker can delete arbitrary statistics entries (CWE-862). A public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00182 7th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Contact Form by Supsystic (Unknown): 1.11.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownContact Form by Supsysticbefore 1.11.11.11.1Patch availableCNA
  • Contact Form by Supsystic VendorUnknown Affected before 1.11.1 Fixed in 1.11.1 Patch available CNA

Remediation

Update Contact Form by Supsystic to version 1.11.1 or later, which is the fixed version listed in the sources.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA Contact Form by Supsystic (Unknown) Fixed in 1.11.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Contact Form by Supsystic 1.11.1

    5 records Highest priority Priority LOW 5 LOW

    Other records, highest priority first

    • TI-2026-82310 Server-side template injection in Contact Form by Supsystic pluginPriority LOW 34
    • TI-2026-82308 CSRF in Contact Form by Supsystic lets attackers change mail settingsPriority LOW 23
    • TI-2026-82309 Missing CSRF checks in Contact Form by Supsystic let attackers delete dataPriority LOW 19

Timeline

  1. 2026-10-29 Threatist record created from CVE-2026-115302
  2. 2026-10-29 Alias added: GHSA-hpv3-cf4r-w5fw
  3. 2026-10-29 CVSS score added · CISA ADP
  4. 2026-10-29 Weakness changed · CISA ADP
  5. 2026-10-29 CISA SSVC decision points changed

References

Sources