PT-2023-27508 · Flatsome · Flatsome

Rafie Muhammad · CVE-2023-40555 · Published 2023-09-06 · Updated 2023-12-28

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Flatsome | Multi-Purpose Responsive WooCommerce Theme versions 3.17.5 and earlier

Description The issue is related to Deserialization of Untrusted Data, which can lead to Unauthenticated PHP Object Injection. It is estimated to affect over 660k sites.

Recommendations For versions 3.17.5 and earlier, update to a version later than 3.17.5 to resolve the issue. At the moment, there is no information about other specific mitigation measures for this vulnerability.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2023-40555

Affected Products

Flatsome

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2023-40555 · Security Note
• https://osv.dev/vulnerability/CVE-2023-40555 · Vendor Advisory
• https://patchstack.com/database/vulnerability/flatsome/wordpress-flatsome-theme-3-17-5-unauthenticated-php-object-injection-vulnerability?_s_id=cve · Note
• https://twitter.com/CVEnew/status/1737471056372224044 · Twitter Post
• https://twitter.com/yeraisci_/status/1699380026230391165 · Twitter Post
• https://t.me/cvenotify/64395 · Telegram Post
• https://twitter.com/RsSI47041968/status/1701301086831911231 · Twitter Post
• https://t.me/cvenotify/64412 · Telegram Post