Cross-Site Scripting Vulnerability in cPanel by cPanel, Inc.
CVE-2023-29489

5.3MEDIUM

Key Information:

Vendor
Cpanel
Status
Cpanel
Vendor
CVE Published:
27 April 2023

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 90%

Summary

An issue has been identified in cPanel versions prior to 11.109.9999.116 that allows for cross-site scripting (XSS) attacks through the error page of cpsrvd. This vulnerability arises when an invalid webcall ID is exploited, leading to the potential execution of arbitrary JavaScript in the context of a user's browser session. Users are urged to update to the patched versions to mitigate exposure to this risk.

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.

EagleEye
Created by whalebone7

cpanel_xss_2023
Created by mdaseem03

cPanel-CVE-2023-29489
Created by xKore123

References

https://forums.cpanel.net/threads/cpanel-tsr-2023-0001-fu...
https://blog.assetnote.io/2023/04/26/xss-million-websites...

EPSS Score

90% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.