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CVE-2026-93873

Cotonti through 1.0.0 Cross-Site Request Forgery in the Contact Plugin

CVSS 4.0 5.3 MEDIUMCVSS 3.1 4.3 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-93873

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-93873

Published

Cotonti

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Cotonti",
                    "product": "Cotonti",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:composer/cotonti/cotonti",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "1.0.0",
                            "status": "affected",
                            "versionType": "custom"
                        }
                    ],
                    "repo": "https://github.com/Cotonti/Cotonti",
                    "programFiles": [
                        "plugins/contact/contact.php"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON