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TI-2026-82308 Aliases CVE-2026-115299GHSA-r32v-cmjq-6cp5

CSRF in Contact Form by Supsystic lets attackers change mail settings

Priority LOW 23CWE-352Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-352.

Summary

The Contact Form by Supsystic WordPress plugin before 1.11.1 does not verify a CSRF nonce before saving its mail settings (CWE-352). An attacker who tricks a logged-in administrator into visiting a crafted page can overwrite the outbound mail configuration, including the SMTP server, its credentials and the notification recipient. The references include a link to an exploit.

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 verify a CSRF nonce before saving its mail settings, allowing an attacker to overwrite the site's outbound mail configuration, including the SMTP server, its credentials and the notification recipient, by tricking a logged-in administrator into visiting a crafted page, which can route the Contact Form by Supsystic WordPress plugin before 1.11.1's contact-form notifications through infrastructure the attacker controls.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00091 0th 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
No
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

Upgrade the Contact Form by Supsystic WordPress plugin to version 1.11.1, the fixed version.

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-2026-82311 Contact Form by Supsystic lets attackers delete statisticsPriority LOW 29
    • TI-2026-82309 Missing CSRF checks in Contact Form by Supsystic let attackers delete dataPriority LOW 19
    Show all 5 records →

Timeline

  1. 2026-10-29 Threatist record created from CVE-2026-115299
  2. 2026-10-29 Alias added: GHSA-r32v-cmjq-6cp5
  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

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences