CVE-2021-39321 is a PHP Object Injection vulnerability affecting version 3.3.23 of the Sassy Social Share WordPress plugin. This flaw allows authenticated, low-privileged users to exploit the wp_ajax_heateor_sss_import_config AJAX action due to insecure deserialization of user-supplied input. With a CVSS score of 8.8 (HIGH), the vulnerability presents a significant risk, allowing for potential compromise of confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, the high severity warrants attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.3.23CPE matchmatch criteria | cpe:2.3:a:heateor:sassy_social_share:3.3.23:*:*:*:*:wordpress:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.