Reflected Cross-Site Scripting Vulnerability in WordPress Email Subscription Popup Plugin
CVE-2023-6555

6.1MEDIUM

Key Information:

Vendor

Wordpress
Status
Email Subscription Popup
Vendor
CVE Published:
8 January 2024

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-6555?

The Email Subscription Popup plugin for WordPress, prior to version 1.2.20, is susceptible to a Reflected Cross-Site Scripting vulnerability due to improper sanitization and escaping of user-supplied parameters. This flaw can be exploited by malicious actors to inject arbitrary scripts into the web pages viewed by users, potentially affecting those with high privileges, including administrators. If successfully executed, this could allow attackers to steal sensitive information, hijack user sessions, or perform actions on behalf of the targeted users.

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Affected Version(s)

Email Subscription Popup 0 < 1.2.20

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-2023-6555 - Proof of Concept

References

https://wpscan.com/vulnerability/58803934-dbd3-422d-88e7-...
exploitvdb-entrytechnical-description

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

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