Stored Cross-Site Scripting in Email Subscribers by Icegram Express Plugin for WordPress
CVE-2024-11636

4.8MEDIUM

Key Information:

Vendor
Wordpress
Vendor
CVE Published:
13 January 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

The Email Subscribers by Icegram Express plugin for WordPress prior to version 5.7.45 suffers from a vulnerability due to improper sanitization and escaping of certain Text Block options. This oversight can be exploited by high-privilege users, such as administrators, to execute Stored Cross-Site Scripting (XSS) attacks, even in environments where unfiltered_html capability is restricted, such as multisite setups. This vulnerability poses a significant risk, facilitating the injection of malicious scripts that could compromise the integrity of the site.

Affected Version(s)

Email Subscribers by Icegram Express 0 < 5.7.45

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:
4.8
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

Dmitrii Ignatyev
WPScan
.
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