Arbitrary File Uploads Vulnerability in Sirv Plugin for WordPress
CVE-2024-5853

9.9CRITICAL

Key Information:

Vendor
Wordpress
Status
Image Optimizer, Resizer And Cdn – Sirv
Vendor
CVE Published:
19 June 2024

Summary

The Sirv plugin for WordPress, specifically its Image Optimizer, Resizer, and CDN features, is vulnerable to issues stemming from insufficient file type validation in the sirv_upload_file_by_chanks AJAX action. This vulnerability impacts all versions up to and including 7.2.6, allowing authenticated users with Contributor-level access or higher to upload arbitrary files onto the impacted site's server. Such a flaw may pave the way for remote code execution, posing serious security risks to the integrity and functionality of the affected WordPress sites.

Affected Version(s)

Image Optimizer, Resizer and CDN – Sirv * <= 7.2.6

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3103410/sirv...

CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Lucio Sá
.