Passster < 3.5.5.9 - Protection Bypass & Arbitrary Post Access
CVE-2021-24881

7.5HIGH

Key Information:

Vendor

Wordpress
Status
Passster
Vendor
CVE Published:
23 January 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-24881?

The Passster WordPress plugin prior to version 3.5.5.9 contains a security flaw where it fails to adequately verify the password and the visibility status of posts. This flaw allows unauthenticated individuals to access restricted content by exploiting the plugin's weaknesses, thus breaching the intended access controls and potentially exposing private posts. A crafted request can lead to unauthorized exposure of sensitive information.

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Affected Version(s)

Passster 0 < 3.5.5.9

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-2021-24881 - Proof of Concept

References

https://wpscan.com/vulnerability/0967303d-ea49-4993-84eb-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
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

dc11
WPScan
JSON
.