Vulnerability Details : CVE-2021-39321

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.
Published 2021-10-21 20:15:08
Updated 2021-10-25 19:58:19
Source Wordfence
View at NVD,   CVE.org

Products affected by CVE-2021-39321

Exploit prediction scoring system (EPSS) score for CVE-2021-39321

EPSS FAQ
0.64%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 79 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-39321

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.5
 MEDIUM AV:N/AC:L/Au:S/C:P/I:P/A:P
8.0
6.4
 NIST
8.8
 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
 Wordfence

CWE ids for CVE-2021-39321

  • The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
    Assigned by: security@wordfence.com (Primary)
  • The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
    Assigned by: security@wordfence.com (Primary)

References for CVE-2021-39321

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