Simple JWT Login < 3.3.0 - Insecure Password Creation
CVE-2021-24998

7.5HIGH

Key Information:

Vendor

Wordpress
Status
Simple Jwt Login
Vendor
CVE Published:
27 December 2021

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-24998?

The Simple JWT Login WordPress plugin before 3.3.0 can be used to create new WordPress user accounts with a randomly generated password. The password is generated using the str_shuffle PHP function that "does not generate cryptographically secure values, and should not be used for cryptographic purposes" according to PHP's documentation.

Affected Version(s)

Simple JWT Login 0 < 3.3.0

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-2021-24998 - Proof of Concept

References

https://wpscan.com/vulnerability/1cca404e-766a-43ab-b41f-...
exploitvdb-entrytechnical-description
https://plugins.trac.wordpress.org/changeset/2613782
patch

CVSS V3.1

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

Zian Choy
WPScan
.