Arbitrary File Upload Flaw in PerfreeBlog by Perfree
CVE-2023-27757

9.8CRITICAL

Key Information:

Vendor

Perfree

Status
Perfreeblog
Vendor
CVE Published:
15 March 2023

What is CVE-2023-27757?

An arbitrary file upload vulnerability exists in the /admin/user/uploadImg component of PerfreeBlog v3.1.1. This security weakness allows malicious attackers to upload crafted JPG files, which can lead to the execution of arbitrary code on the server. The flaw poses significant risks, potentially compromising the security of affected installations. Users are advised to review their systems and apply the necessary updates to mitigate the threat.

References

https://github.com/perfree/PerfreeBlog/issues/13

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.