CVE-2021-39321

Sassy Social Share 3.3.23 PHP Object Injection

Published Oct 21, 2021 CVSS 3.1 · 8.8 High EPSS 2.0% KEV · Not listed
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.

Remediation

Vendor Solution

Update to version 3.3.24

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-25682 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
Mar 31, 2025, 5:58 PM
Reserved
Aug 20, 2021, 12:00 AM
Status
Modified
Published
Oct 21, 2021, 8:15 PM
Modified
Jun 17, 2026, 4:03 AM