PT-2023-6577 · WordPress · Custom 404 Pro

Chien Vuong · Published 2023-05-03 · Updated 2025-01-09 · CVE-2023-2023

Positive Technologies (AI Summary)

CVSS v2.0

6.4

Medium

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:N

Name of the Vulnerable Software and Affected Versions Custom 404 Pro versions prior to 3.7.3

Description The issue is related to the Custom 404 Pro WordPress plugin, which does not properly escape some URLs before outputting them in attributes. This can lead to Reflected Cross-Site Scripting, allowing a remote attacker to conduct inter-site script attacks.

Recommendations For versions prior to 3.7.3, update to version 3.7.3 or later to resolve the issue.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BDU:2023-07341

CVE-2023-2023

Affected Products

Custom 404 Pro

References · 7

• 🔥 https://wpscan.com/vulnerability/8859843a-a8c2-4f7a-8372-67049d6ea317 · Exploit
• 🔥❌ https://github.com/GREENHAT7/Hvv2023 · Exploit, Deleted
• 🔥❌ https://github.com/GREENHAT7/pxplan · Exploit, Deleted
• https://osv.dev/vulnerability/CVE-2023-2023 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-07341 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-2023 · Security Note
• https://t.me/cvenotify/106972 · Telegram Post