CVE-2021-39321

HIGH

Sassy Social Share 3.3.23 - Authenticated PHP Object Injection via Import Config AJAX Action

Title source: llm

Description

Version 3.3.23 of the Sassy Social Share WordPress plugin is vulnerable to PHP Object Injection via the wp_ajax_heateor_sss_import_config AJAX action due to deserialization of unvalidated user supplied inputs via the import_config function found in the ~/admin/class-sassy-social-share-admin.php file. This can be exploited by underprivileged authenticated users due to a missing capability check on the import_config function.

References (3)

Core 3

Core References

Third Party Advisory x_refsource_misc

https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39321

Exploit, Third Party Advisory x_refsource_misc

https://www.wordfence.com/blog/2021/10/vulnerability-patched-in-sassy-social-share-plugin/

Patch, Third Party Advisory x_refsource_misc

https://plugins.trac.wordpress.org/changeset/2600464/sassy-social-share/trunk/admin/class-sassy-social-share-admin.php

Scores

CVSS v3 8.8

EPSS 0.0198

EPSS Percentile 78.0%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-502 CWE-863

Status published

Products (1)

heateor/sassy_social_share 3.3.23

Published Oct 21, 2021

Tracked Since Feb 18, 2026