EUVD-2026-53880
GHSA-x5q8-337f-2588
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Network-reachable with no auth (PR:N) or user interaction; scope unchanged; integrity and availability limited to form plugin functionality only.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
1DescriptionCVE.org
Unauthenticated Broken Authentication in Gutena Forms - Contact Form, Survey Form, Feedback Form, Booking Form, and Custom Form Builder <= 1.9.0 versions.
AnalysisAI
Broken Authentication in Gutena Forms WordPress plugin (versions <= 1.9.0) allows unauthenticated remote attackers to bypass authentication controls, resulting in limited integrity and availability impacts against form configurations or submissions. The vulnerability is classified as CWE-288 (Authentication Bypass Using an Alternate Path or Channel) and was reported by Patchstack. No public exploit code or CISA KEV listing has been identified at time of analysis, but the low attack complexity and lack of authentication requirements make it straightforward to attempt against any exposed WordPress installation running the affected plugin.
Technical ContextAI
Gutena Forms is a WordPress plugin (CPE: cpe:2.3:a:saad_iqbal:gutena_forms_-_contact_form,_survey_form,_feedback_form,_booking_form,_and_custom_form_builder:*:*:*:*:*:*:*:*) that provides a multi-purpose form builder supporting contact, survey, feedback, booking, and custom form types. CWE-288 describes an authentication bypass achieved by using an alternate path or channel that circumvents the intended authentication mechanism - a common pattern in WordPress plugins where REST API endpoints, AJAX handlers, or form submission routes fail to enforce WordPress nonce verification or capability checks, allowing unauthenticated callers to reach privileged functionality through an unguarded code path. The CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms the bypass is remotely triggerable with no credentials and no special configuration, consistent with a missing or improperly scoped WordPress capability check on one or more plugin endpoints.
RemediationAI
Update the Gutena Forms plugin beyond version 1.9.0 via the WordPress plugin dashboard or by downloading the latest release from the WordPress plugin repository. The Patchstack advisory at https://patchstack.com/database/wordpress/plugin/gutena-forms/vulnerability/wordpress-gutena-forms-contact-form-survey-form-feedback-book-and-custom-form-builder-plugin-1-9-0-broken-authentication-vulnerability should be consulted for the confirmed fixed version, as no specific patched version number was confirmed in the available intelligence data. If an immediate update is not possible, a compensating control is to deactivate the Gutena Forms plugin entirely until patching is feasible - this eliminates the attack surface at the cost of disabling all form functionality on the site. Additionally, a Web Application Firewall (WAF) such as Patchstack's virtual patching, Wordfence, or Cloudflare WAF with WordPress ruleset may block exploitation attempts against the vulnerable endpoint, though WAF coverage for this specific vulnerability should be verified with the provider.
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