Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Unauthenticated remote reflected XSS delivered via URL requires a victim click (UI:R) and crosses into the browser context (S:C), yielding limited C/I/A impact.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
2DescriptionCVE.org
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPZOOM WPZOOM Portfolio wpzoom-portfolio allows Reflected XSS.This issue affects WPZOOM Portfolio: from n/a through <= 1.4.29.
AnalysisAI
Reflected cross-site scripting in the WPZOOM Portfolio WordPress plugin (all versions up to and including 1.4.29) lets remote attackers inject arbitrary JavaScript that executes in a victim's browser when they follow a crafted link. Reported by Patchstack with a CVSS 3.1 score of 7.1, the flaw requires user interaction and carries no public exploit identified at time of analysis and no CISA KEV listing. Impact is scoped to the session of whichever user is lured into clicking, including logged-in administrators.
Technical ContextAI
The vulnerability is a classic reflected XSS (CWE-79, Improper Neutralization of Input During Web Page Generation) in a WordPress plugin. WPZOOM Portfolio is a display/gallery plugin (cpe:2.3:a:wpzoom:wpzoom_portfolio) that renders portfolio content on public-facing pages. The root cause is that attacker-controllable request input (a URL/query parameter) is echoed back into an HTML response without proper output encoding or sanitization, so the browser parses injected markup as active script. Because the payload is reflected rather than stored, it must be delivered per-request via a crafted URL and is not persisted server-side.
RemediationAI
No vendor-released patch version is confirmed in the available data; because the flaw affects up to and including 1.4.29, upgrade to the next release above 1.4.29 as published by WPZOOM once available, and consult the Patchstack advisory (https://patchstack.com/database/Wordpress/Plugin/wpzoom-portfolio/vulnerability/wordpress-wpzoom-portfolio-plugin-1-4-29-cross-site-scripting-xss-vulnerability) for the exact fixed build. As compensating controls until patched, deploy a Web Application Firewall or Patchstack's virtual patch to filter reflected script payloads on the plugin's endpoints, which may cause false positives on legitimate rich input; add a restrictive Content-Security-Policy that disallows inline script to blunt payload execution, noting it can break themes or plugins relying on inline JS; and if the plugin is not essential, deactivate it to remove the attack surface entirely at the cost of losing portfolio 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-2026-43367