Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Arbitrary Plugin Activation
CVE-2021-24356

8.8HIGH

Key Information:

Vendor

Wordpress
Status
Simple 301 Redirects By Betterlinks
Vendor
CVE Published:
14 June 2021

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 44%

What is CVE-2021-24356?

In the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, a lack of capability checks and insufficient nonce check on the AJAX action, simple301redirects/admin/activate_plugin, made it possible for authenticated users to activate arbitrary plugins installed on vulnerable sites.

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Affected Version(s)

Simple 301 Redirects by BetterLinks 2.0.0 < 2.0.0*

Simple 301 Redirects by BetterLinks 2.0.4

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-2021-24356
Created by RandomRobbieBF

References

https://www.wordfence.com/blog/2021/05/severe-vulnerabili...
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https://wpscan.com/vulnerability/be356530-5e00-4f27-8177-...
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EPSS Score

44% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Chloe Chamberland
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