ConvertKit < 2.0.5 - Contributor+ Stored XSS
CVE-2022-4508

5.4MEDIUM

Key Information:

Vendor

Wordpress
Status
Convertkit
Vendor
CVE Published:
16 January 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-4508?

The ConvertKit WordPress plugin before 2.0.5 does not validate and escapes some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as a contributor to perform Stored Cross-Site Scripting attacks, which could be used against high-privilege users such as admins.

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Deploy the Patch

Affected Version(s)

ConvertKit 0 < 2.0.5

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-2022-4508 - Proof of Concept

References

https://wpscan.com/vulnerability/5101a979-7a53-40bf-8988-...
exploitvdb-entrytechnical-description

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

Lana Codes
WPScan
JSON
.