CVE-2026-93873

Summary

Cotonti through 1.0.0 fails to validate anti-CSRF tokens in the contact plugin submission handler, allowing attackers to forge messages. Attackers can auto-submit contact forms from attacker-controlled pages to send forged messages attributed to authenticated victims to the administrator inbox.

Affected Software

Weaknesses

• CWE-352: Cross-Site Request Forgery (CSRF)

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

Additional References

• https://github.com/Cotonti/Cotonti/issues/1895

References

• https://github.com/Cotonti/Cotonti/issues/1895
• https://github.com/Cotonti/Cotonti/pull/1903
• https://github.com/Cotonti/Cotonti/blob/1.0.0/plugins/contact/contact.php
• https://github.com/Cotonti/Cotonti
• https://www.vulncheck.com/advisories/cotonti-through-1.0.0-cross-site-request-forgery-in-the-contact-plugin

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