WordPress GDPR & CCPA < 1.9.27 - Unauthenticated Reflected Cross-Site Scripting
CVE-2022-0220

6.1MEDIUM

Key Information:

Vendor

Wordpress
Status
WordPress Gdpr
Vendor
CVE Published:
1 February 2022

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-0220?

The check_privacy_settings AJAX action of the WordPress GDPR WordPress plugin before 1.9.27, available to both unauthenticated and authenticated users, responds with JSON data without an "application/json" content-type. Since an HTML payload isn't properly escaped, it may be interpreted by a web browser led to this endpoint. Javascript code may be executed on a victim's browser. Due to v1.9.26 adding a CSRF check, the XSS is only exploitable against unauthenticated users (as they all share the same nonce)

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Affected Version(s)

WordPress GDPR 0 < 1.9.27

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-2022-0220 - Proof of Concept

References

https://wpscan.com/vulnerability/a91a01b9-7e36-4280-bc50-...
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

  • Vulnerability Reserved

Credit

Ace Candelario (@0xspade)
Victor Paynat-Sautivet (3DS Outscale SOC)
WPScan
JSON
.