Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Consistent with provided vector; low privileges and user interaction required.
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
3DescriptionCVE.org
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in StellarWP WPComplete allows Stored XSS. This issue affects WPComplete: from n/a through 2.9.5.
AnalysisAI
Stored cross-site scripting (XSS) in WPComplete 2.9.5 and earlier allows authenticated attackers with contributor-level access or higher to inject malicious scripts into web pages. When an administrator views the injected content, the script executes, potentially leading to session hijacking or data theft. No public exploit or active exploitation has been identified, and the EPSS score is low (0.04%).
Technical ContextAI
The vulnerability is a stored cross-site scripting (XSS) issue in the WordPress plugin WPComplete, which is used to track course completion. The root cause is improper neutralization of user-supplied input during web page generation (CWE-79). The CVSS vector indicates a network attack vector with low complexity, low privileges required, and user interaction required. The affected CPE is likely cpe:2.3:a:stellarwp:wpcomplete:*:*:*:*:*:wordpress:*:* for versions up to 2.9.5.
RemediationAI
Upgrade WPComplete to version 2.9.6 or later, which contains the fix. The vendor advisory is available at the Patchstack link. As a workaround, restrict the ability to add or edit content to trusted users only, and consider using a web application firewall (WAF) to filter XSS payloads. Note that disabling the plugin may affect course completion tracking functionality.
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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
Leaving vuln.today
EUVD-2025-19019