WP FullCalendar < 1.5 - Unauthenticated Arbitrary Post Access
CVE-2022-3891

5.3MEDIUM

Key Information:

Vendor

Wordpress
Status
WP Fullcalendar
Vendor
CVE Published:
13 February 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-3891?

The WP FullCalendar WordPress plugin before 1.5 does not ensure that the post retrieved via an AJAX action is public and can be accessed by the user making the request, allowing unauthenticated attackers to get the content of arbitrary posts, including draft/private as well as password-protected ones.

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Deploy the Patch

Affected Version(s)

WP FullCalendar 0 < 1.5

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-2022-3891 - Proof of Concept

References

https://wpscan.com/vulnerability/5a69965d-d243-4d51-b7a4-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Lana Codes
WPScan
JSON
.