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Tool Directory

CVE-2023-4294

MediumPublished

URL Shortify < 1.7.6 - Unauthenticated Stored XSS via referer header

Published: Sep 11, 2023
Updated: May 2, 2025
Assigning CNA: WPScan
Evidence observed: Aug 8, 2026

Primary CVSS

6.1/ 10Medium

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS probability estimate

0.8%

Low · next 30 days

Percentile: 55.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

The URL Shortify WordPress plugin before 1.7.6 does not properly escape the value of the referer header, thus allowing an unauthenticated attacker to inject malicious javascript that will trigger in the plugins admin panel with statistics of the created short link.

Sources

CVE-2023-4294PoC
Repository for CVE-2023-4294 vulnerability.

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