Image Optimizer, Resizer and CDN – Sirv <= 7.2.6 - Authenticated (Contributor+) Arbitrary File Upload

2024-06-18 00:00

Lucio Sá

Strategic Overview

Status

Patched in 7.2.7

Affected PluginImage Optimizer, Resizer and CDN – Sirv

Affected Version<= 7.2.6

CVSS9.9Critical

CVECVE-2024-5853

View all Image Optimizer, Resizer and CDN – Sirv vulnerabilities

Vulnerability Overview

The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the sirv_upload_file_by_chanks AJAX action in all versions up to, and including, 7.2.6. This makes it possible for authenticated attackers, with Contributor-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

Technical Analysis

REMEDIATION: Update to version 7.2.7, or a newer patched version --- IDENTIFIER: CWE-434 (Unrestricted Upload of File with Dangerous Type) The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

External References

https://www.cve.org/CVERecord?id=CVE-2024-5853 https://www.wordfence.com/threat-intel/vulnerabilities/id/e89b40ec-1952-46e3-a91b-bd38e62f8929

CVSS Vector

9.9

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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