Backup Guard < 1.6.0 - Authenticated Arbitrary File Upload
CVE-2021-24155

7.2HIGH

Key Information:

Vendor

Wordpress
Status
WordPress Backup And Migrate Plugin – Backup Guard
Vendor
CVE Published:
5 April 2021

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 92%

What is CVE-2021-24155?

The WordPress Backup and Migrate Plugin – Backup Guard WordPress plugin before 1.6.0 did not ensure that the imported files are of the SGBP format and extension, allowing high privilege users (admin+) to upload arbitrary files, including PHP ones, leading to RCE.

Affected Version(s)

WordPress Backup and Migrate Plugin – Backup Guard 1.6.0

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-2021-24155.rb
Created by 0dayNinja

References

https://wpscan.com/vulnerability/d442acac-4394-45e4-b6bb-...
x_refsource_CONFIRM
http://packetstormsecurity.com/files/163382/WordPress-Bac...
x_refsource_MISC
http://packetstormsecurity.com/files/163623/WordPress-Bac...
x_refsource_MISC

EPSS Score

92% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Nguyen Van Khanh - SunCSR (Sun* Cyber Security Research)
.