High severity8.8NVD Advisory· Published Oct 21, 2021· Updated Jun 17, 2026
CVE-2021-39321
CVE-2021-39321
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.
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Affected products
2- Range: <=3.3.23
- Sassy Social Share/Sassy Social Sharev5Range: 3.3.23
Patches
Vulnerability mechanics
References
3- plugins.trac.wordpress.org/changeset/2600464/sassy-social-share/trunk/admin/class-sassy-social-share-admin.phpnvdPatchThird Party Advisory
- www.wordfence.com/blog/2021/10/vulnerability-patched-in-sassy-social-share-plugin/nvdExploitThird Party Advisory
- www.wordfence.com/vulnerability-advisories/nvdThird Party Advisory
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