Easy Appointments < 3.11.2 - Contributor+ Stored XSS in Shortcode
CVE-2022-4668

5.4MEDIUM

Key Information:

Vendor
Wordpress
Status
Easy Appointments
Vendor
CVE Published:
23 January 2023

Badges

👾 Exploit Exists🟡 Public PoC

Summary

The Easy Appointments WordPress plugin before 3.11.2 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.

Affected Version(s)

Easy Appointments 0 < 3.11.2

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-2022-4668 - Proof of Concept

References

https://wpscan.com/vulnerability/3e43156a-b784-4066-be69-...
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
.