WordPress Advanced Custom Fields / Advanced Custom Fields PRO plugins <= 6.1.5 vulnerable to Cross Site Scripting (XSS)
CVE-2023-30777

6.1MEDIUM

Key Information:

Vendor
WordPress
Status
Advanced Custom Fields Pro
Advanced Custom Fields
Vendor
CVE Published:
10 May 2023

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 70%

Summary

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in WP Engine Advanced Custom Fields Pro, WP Engine Advanced Custom Fields plugins <= 6.1.5 versions.

Affected Version(s)

Advanced Custom Fields <= 6.1.5

Advanced Custom Fields Pro <= 6.1.5

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.

CVE-2023-30777
Created by Alucard0x1

References

https://patchstack.com/database/vulnerability/advanced-cu...
vdb-entry
https://patchstack.com/database/vulnerability/advanced-cu...
vdb-entry
https://patchstack.com/articles/reflected-xss-in-advanced...
technical-description

EPSS Score

70% 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

Rafie Muhammad (Patchstack)
.