Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Matches NVD vector; requires low privileges and user interaction.
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
4DescriptionCVE.org
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NasaTheme Nasa Core allows Stored XSS.This issue affects Nasa Core: from n/a before 6.4.1.
AnalysisAI
Stored cross-site scripting in Nasa Core WordPress plugin before 6.4.1 allows authenticated attackers with contributor-level access to inject malicious scripts that execute when other users view affected pages. No public exploit or active exploitation identified, and EPSS score is low (0.05%).
Technical ContextAI
The vulnerability is a stored cross-site scripting (XSS) flaw in the Nasa Core WordPress plugin, which provides theme functionality for NasaTheme products. The root cause is improper neutralization of user-supplied input during web page generation (CWE-79). Attackers with low-privileged access (e.g., contributor role) can inject arbitrary JavaScript or HTML that gets stored and executed in the browsers of other users, including administrators. The CVSS vector indicates network attack vector, low complexity, low privileges required, and user interaction required (victim must visit the affected page).
RemediationAI
Update Nasa Core plugin to version 6.4.1 or later, which contains the vendor-released patch. No workarounds are documented; as a compensating control, restrict contributor-level access to trusted users only and consider using a web application firewall (WAF) to filter XSS payloads. Note that disabling the plugin may break theme 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-2025-17136