CVE-2024-5853 | The Image Optimizer, Resizer and CDN – Sirv plugin for WordP… | CVSS 9.9 CRITICAL

Description

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.

Metadata

CVE ID: CVE-2024-5853
State: PUBLISHED
Assigner: Wordfence
Reserved: 2024-06-11 12:43 UTC
Published: 2024-06-19 05:37 UTC
Last updated: 2026-04-08 17:30 UTC
Primary CWE: CWE-434
CWE-434 Unrestricted Upload of File with Dangerous Type
Vendor / Product: sirv / Image Optimizer, Resizer and CDN – Sirv
Sources: cve.org · NVD

Severity & Metrics

9.9 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
sirv	Image Optimizer, Resizer and CDN – Sirv	—	0 ≤ 7.2.6

Weakness (CWE)

CWE	Source	Description
CWE-434	cna	CWE-434 Unrestricted Upload of File with Dangerous Type

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.9	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References (2)