CVE-2024-10855 Information

Description

The Image Optimizer Resizer and CDN – Sirv plugin for WordPress is vulnerable to unauthorized modification of data that can lead to a denial of service due to insufficient validation on the filename parameter of the sirv_upload_file_by_chunks() function and lack of in all versions up to and including 7.3.0. This makes it possible for authenticated attackers with Contributor-level access and above to delete arbitrary option values on the WordPress site. This can be leveraged to delete an option that would create an error on the site and deny service to legitimate users.

CVSS Vector

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

Reference

https://www.wordfence.com/threat-intel/vulnerabilities/id/d6ec09e5-4994-4d23-bf8e-26b64d5303fa?source=cve https://plugins.trac.wordpress.org/browser/sirv/tags/7.2.8/sirv.php#L4691 https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3186406%40sirv&new=3186406%40sirv&sfp_email=&sfph_mail=

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1