EUVD-2026-60783
GHSA-33vm-4hx3-5pcg
Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Subscriber authentication (PR:L) and mandatory admin victim interaction (UI:R) confirmed; availability impact (A:N) not independently substantiated for stored XSS without evidence of service-disrupting payload capability.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Lifecycle Timeline
1DescriptionCVE.org
Subscriber Cross Site Scripting (XSS) in WP Cookie Notice for GDPR, CCPA & ePrivacy Consent <= 4.3.9 versions.
AnalysisAI
Stored Cross-Site Scripting in WP Cookie Notice for GDPR, CCPA & ePrivacy Consent (≤4.3.9) is exploitable by any authenticated subscriber-level WordPress user, allowing injection of persistent JavaScript that executes when a higher-privileged user such as an administrator views the affected content. The scope-changed CVSS metric (S:C) reflects the real danger: a successful payload can hijack an admin session, modify site content, or silently escalate attacker privileges. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated WordPress session with at least subscriber-level privileges, as confirmed by PR:L in the CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C vector. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 6.5 Medium reflects a balanced but meaningful risk profile. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker registers a subscriber account on a WordPress site with open registration enabled and running the vulnerable plugin version, then submits a crafted input containing a JavaScript payload to a plugin field accessible at subscriber privilege level. When an administrator subsequently loads the plugin management page or affected front-end view, the stored payload executes silently in the admin's browser, enabling session cookie theft or unauthorized administrative actions. |
| Remediation | Update the WP Cookie Notice for GDPR, CCPA & ePrivacy Consent plugin to a version above 4.3.9 as soon as a patched release is confirmed available; monitor the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/gdpr-cookie-consent/vulnerability/wordpress-wp-cookie-notice-for-gdpr-ccpa-eprivacy-consent-plugin-4-3-9-cross-site-scripting-xss-vulnerability) and the WordPress plugin repository for the confirmed fix version, which has not been independently verified in the available intelligence at time of analysis. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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