Vulnerability · Published May 30, 2023 · Assigned by WPScan

CVE-2023-2023Custom 404 Pro < 3.7.3 - Reflected Cross-Site Scripting

Medium 6.1

In plain English

A medium-severity security flaw in Custom 404 Pro from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei, public proof-of-concept code.

Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)1.7%top 22.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack tooling2Nuclei, Public PoC

Official description

The Custom 404 Pro WordPress plugin before 3.7.3 does not escape some URLs before outputting them in attributes, leading to Reflected Cross-Site Scripting.

Affected products (as reported)

VendorProductVersions
Unknown Custom 404 Pro 0 – before 3.7.3

References