EUVD-2026-65315
GHSA-27qv-w87h-69r6
Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Contributor access (PR:L) required to store payload; no further attacker interaction after storage (UI:N); XSS crosses into victim browser context (S:C); no availability impact on any system.
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
Lifecycle Timeline
2DescriptionCVE.org
The MetForm - Contact Form, Survey, Quiz, & Custom Form Builder for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'mf_form_id' Widget Setting in all versions up to, and including, 4.1.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The payload bypasses Elementor's save-time wp_kses_post filter because it contains no HTML tags, and MetForm's own str_replace transformation of script tags into JavaScript template literal expressions provides an additional delivery path.
AnalysisAI
Stored Cross-Site Scripting in MetForm for WordPress (all versions through 4.1.8) allows authenticated contributors to permanently inject arbitrary JavaScript into pages via the 'mf_form_id' Elementor widget setting, exploiting two independent filter bypass paths. The payload evades Elementor's save-time wp_kses_post filter because it contains no HTML tags, and MetForm's own str_replace logic transforms script-tag constructs into executable JavaScript template literals - providing a second delivery route. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid WordPress user account with at minimum contributor-level role. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 6.4 Medium score reflects a meaningful real-world constraint: contributor-level access (PR:L) is a genuine gatekeeping requirement that limits exposure on sites with tightly controlled user roles. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Update the MetForm plugin to a version newer than 4.1.8 as soon as a patched release is available in the WordPress plugin repository. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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