CVE-2026-115301High· 7.2▾ TwilightThe Contact Form by Supsystic WordPress plugin before 1.11.1 does not sandbox the template engine used to render its forms and allows stored form-editor content to reach that engine as executable template code, enabling an administrator…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 39.6 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the CISA ADP record, not NVD.
Exploit-prediction probability, daily snapshots since Nov 1.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.4%
The Contact Form by Supsystic WordPress plugin before 1.11.1 does not sandbox the template engine used to render its forms and allows stored form-editor content to reach that engine as executable template code, enabling an administrator to perform server-side template injection and execute arbitrary code on the server. The injected template is compiled and executed whenever any visitor loads a page containing the form, so the stored payload also lets an unauthenticated visitor read server-side secrets such as authentication salts and database credentials.
contact_form_by_supsystic < 1.11.1Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-115299Medium· 5.4Contact Form by Supsystic < 1.11.1 - Arbitrary Plugin Settings Update via CSRF
CVE-2026-115300Medium· 4.3Contact Form by Supsystic < 1.11.1 - Contact Submission and Statistics Deletion via CSRF
CVE-2026-115302Medium· 5.3Contact Form by Supsystic < 1.11.1 - Unauthenticated Arbitrary Statistics Deletion
CVE-2026-115303Low· 3.7Contact Form by Supsystic < 1.11.1 - Unauthenticated CRLF / Email Header Injection via Reply-To Field Mapping
CVE-2025-15705Low· 3.5Contact Form by Supsystic < 1.8.0 - Admin+ Stored XSS
CVE-2025-11905Medium· 6.3A vulnerability was found in yanyutao0402 ChanCMS up to 3.3.2