EUVD-2026-75933
GHSA-5v88-f6fh-jphx
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Network-accessible reflected XSS requiring no privileges; scope change to victim browser confirmed; low C/I impact; user interaction required via two-step click chain.
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
Lifecycle Timeline
2DescriptionCVE.org
The WP-Members Membership Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via URL Query String in all versions up to, and including, 3.5.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. Successful exploitation requires the victim to first visit the attacker-crafted URL and then click the Terms of Service link rendered on the resulting registration page.
AnalysisAI
Reflected XSS in WP-Members Membership Plugin for WordPress (all versions through 3.5.6) allows unauthenticated attackers to inject and execute arbitrary JavaScript in a victim's browser session. The vulnerability exists in the registration form's URL query string handling within class-wp-members-forms.php (lines 2202-2203), where unsanitized input is echoed into page output without proper escaping. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires two sequential user actions: the victim must first visit an attacker-supplied URL pointing to the WP-Members registration page with a crafted query string, and then click the Terms of Service link rendered on that page - both steps are mandatory for script execution. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Real-world exploitation risk is moderate despite the 6.1 CVSS score. … 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 | An upstream fix has been committed to the wp-members SVN trunk (changeset 3679958 at https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3679958%40wp-members%2Ftrunk&old=3471137%40wp-members%2Ftrunk), but the exact released patched version number is not confirmed in the available input data - administrators should update WP-Members to the latest version available via the WordPress plugin repository and verify it exceeds 3.5.6. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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