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

6.1MEDIUM

Key Information:

Vendor

Wordpress
Status
Custom 404 Pro
Vendor
CVE Published:
30 May 2023

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 75%

What is CVE-2023-2023?

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.

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Deploy the Patch

Affected Version(s)

Custom 404 Pro 0 < 3.7.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

Hvv2023
Created by thatformat

References

https://wpscan.com/vulnerability/8859843a-a8c2-4f7a-8372-...
exploitvdb-entrytechnical-description

EPSS Score

75% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Chien Vuong
WPScan
JSON
.