WordPress Popular Posts <= 5.3.2 Authenticated Arbitrary File Upload
CVE-2021-42362
8.8HIGH
Key Information:
- Vendor
- Wordpress
- Status
- Vendor
- CVE Published:
- 17 November 2021
Badges
👾 Exploit Exists🟡 Public PoC🟣 EPSS 92%
Summary
The WordPress Popular Posts WordPress plugin is vulnerable to arbitrary file uploads due to insufficient input file type validation found in the ~/src/Image.php file which makes it possible for attackers with contributor level access and above to upload malicious files that can be used to obtain remote code execution, in versions up to and including 5.3.2.
Affected Version(s)
WordPress Popular Posts 0.0 <= 5.3.2
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.
References
EPSS Score
92% 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
Vulnerability published
Vulnerability Reserved
- 🟡
Public PoC available
- 👾
Exploit known to exist
Credit
Original Researcher: Jerome Bruandet, NinTechNet Exploit Author: Simone Cristofaro