CVE-2023-2023

Custom 404 Pro < 3.7.3 - Reflected Cross-Site Scripting

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

Custom 404 Pro

CVSS v3.1 NVD

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

EPSS

1.71% chance of exploitation in the next 30 days, 77th percentile

Nuclei

medium · CWE-79

Published

2023-05-30

Updated

2025-01-09

Proof-of-concept exploits (3)

• https://wpscan.com/vulnerability/8859843a-a8c2-4f7a-8372-67049d6ea317
• druxter-x/PHP-CVE-2023-2023-2640-POC-Escalation0★ · 2024-02-15
• thatformat/Hvv20235★ · 2023-08-16

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-2023.yaml

References

• CVE Record
• NVD entry

Related

• CVE-2023-2640
• CVE-2023-32629