CVE-2026-3881 | Performance Monitor Plugin up to 1.0.6 on WordPress server-side request forgery

VDB-354330 · CVE-2026-3881 · GCVE-0-2026-3881 PERFORMANCE MONITOR PLUGIN UP TO 1.0.6 ON WORDPRESS SERVER-SIDE REQUEST FORGERY HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 7.1 $0-$5k 2.30+ Summaryinfo A vulnerability was found in Performance Monitor Plugin up to 1.0.6 on WordPress and classified as critical. This impacts an unknown function. The manipulation results in server-side request forgery. This vulnerability is known as CVE-2026-3881. It is possible to launch the attack remotely. No exploit is available. Detailsinfo A vulnerability classified as critical has been found in Performance Monitor Plugin up to 1.0.6 on WordPress. Affected is an unknown code. The manipulation with an unknown input leads to a server-side request forgery vulnerability. CWE is classifying the issue as CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes: The Performance Monitor WordPress plugin through 1.0.6 does not validate a parameter before making a request to it, which could allow unauthenticated users to perform SSRF attacks The weakness was published by Afshin Shekaari. The advisory is available at wpscan.com. This vulnerability is traded as CVE-2026-3881 since 03/10/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 03/31/2026). 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 Name Performance Monitor Plugin Version 1.0.0 1.0.1 1.0.2 1.0.3 1.0.4 1.0.5 1.0.6 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 7.3 VulDB Meta Temp Score: 7.1 VulDB Base Score: 7.3 VulDB Temp Score: 7.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 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: Server-side request forgery CWE: CWE-918 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 03/10/2026 CVE reserved 03/31/2026 +20 days Advisory disclosed 03/31/2026 +0 days VulDB entry created 03/31/2026 +0 days VulDB entry last update Sourcesinfo Advisory: wpscan.com Researcher: Afshin Shekaari Status: Not defined CVE: CVE-2026-3881 (🔒) GCVE (CVE): GCVE-0-2026-3881 GCVE (VulDB): GCVE-100-354330 Entryinfo Created: 03/31/2026 08:58 Changes: 03/31/2026 08:58 (54) Complete: 🔍 Cache ID: 99:E2E:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸