Post Timeline < 2.2.6 - Reflected XSS
CVE-2023-4284

6.1MEDIUM

Key Information:

Vendor
Wordpress
Status
Post Timeline
Vendor
CVE Published:
4 September 2023

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 16%

Summary

The Post Timeline WordPress plugin before 2.2.6 does not sanitise and escape an invalid nonce before outputting it back in an AJAX response, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

Affected Version(s)

Post Timeline 0 < 2.2.6

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-2023-4284 - Proof of Concept

References

https://wpscan.com/vulnerability/1c126869-0afa-456f-94cc-...
exploitvdb-entrytechnical-description

EPSS Score

16% chance of being exploited in the next 30 days.

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

tnt24
WPScan
.