Stored Cross-Site Scripting in LiveJournal Shortcode Plugin for WordPress
CVE-2024-3773

5.9MEDIUM

Key Information:

Vendor

WordPress
Status
Livejournal Shortcode
Vendor
CVE Published:
2 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2024-3773?

The LiveJournal Shortcode plugin for WordPress versions up to 1.1.1 is susceptible to Stored Cross-Site Scripting attacks due to improper validation and escaping of shortcode attributes. This flaw enables users with contributor access and higher to inject malicious scripts, which can be executed when the affected shortcode is rendered on pages or posts. Implementing proper sanitization measures is crucial to protect your WordPress site from potential exploitation.

Affected Version(s)

LiveJournal Shortcode 0 <= 1.1.1

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-2024-3773 - Proof of Concept

References

https://wpscan.com/vulnerability/b2c7d31d-8d9f-4c79-b01b-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Bob Matyas
WPScan
.