CVE-2026-3142 | uniquecodergmailcom Pinterest Site Verification plugin using Meta Tag up to 1.8 on WordPress post_var cross site scripting

VDB-356032 · CVE-2026-3142 · GCVE-0-2026-3142 UNIQUECODERGMAILCOM PINTEREST SITE VERIFICATION PLUGIN USING META TAG UP TO 1.8 ON WORDPRESS POST_VAR CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.9 $0-$5k 0.93+ Summaryinfo A vulnerability described as problematic has been identified in uniquecodergmailcom Pinterest Site Verification plugin using Meta Tag up to 1.8 on WordPress. The affected element is an unknown function. Executing a manipulation of the argument post_var can lead to cross site scripting. This vulnerability is tracked as CVE-2026-3142. The attack can be launched remotely. No exploit exists. Detailsinfo A vulnerability classified as problematic was found in uniquecodergmailcom Pinterest Site Verification plugin using Meta Tag up to 1.8 on WordPress. This vulnerability affects an unknown code block. The manipulation of the argument post_var with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes: The Pinterest Site Verification plugin using Meta Tag plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'post_var' parameter in versions up to, and including, 1.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The weakness was disclosed by Nabil Irawan. The advisory is shared for download at wordfence.com. This vulnerability was named CVE-2026-3142 since 02/24/2026. The exploitation appears to be easy. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type WordPress Plugin Vendor uniquecodergmailcom Name Pinterest Site Verification plugin using Meta Tag Version 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.9 VulDB Meta Temp Score: 4.9 VulDB Base Score: 3.5 VulDB Temp Score: 3.4 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.4 CNA Vector (Wordfence): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Cross site scripting CWE: CWE-79 / CWE-94 / CWE-74 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 02/24/2026 CVE reserved 04/08/2026 +42 days Advisory disclosed 04/08/2026 +0 days VulDB entry created 04/08/2026 +0 days VulDB entry last update Sourcesinfo Advisory: wordfence.com Researcher: Nabil Irawan Status: Not defined CVE: CVE-2026-3142 (🔒) GCVE (CVE): GCVE-0-2026-3142 GCVE (VulDB): GCVE-100-356032 Entryinfo Created: 04/08/2026 09:18 Changes: 04/08/2026 09:18 (65) Complete: 🔍 Cache ID: 99:7FA:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸