ActivityPub for WordPress < 1.0.1 - Contributor+ Stored XSS
CVE-2023-3746 
5.4MEDIUM
Key Information:
- Vendor
 Wordpress
- Status
 - Vendor
 - CVE Published:
 - 16 October 2023
 
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2023-3746?
The ActivityPub WordPress plugin before 1.0.0 does not sanitize and escape some data from post content, which could allow contributor and above role to perform Stored Cross-Site Scripting attacks
Affected Version(s)
ActivityPub 0 < 1.0.0
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.
References
CVSS V3.1
Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
 Low
Availability:
 Low
Attack Vector:
Network
Attack Complexity:
 Low
Privileges Required:
 Low
User Interaction:
 Required
Scope:
 Changed
Timeline
- 🟡
Public PoC available
 - 👾
Exploit known to exist
 Vulnerability published
Vulnerability Reserved
Credit
Ben Bidner
WPScan