CVE-2021-39321— Sassy Social Share 3.3.23 PHP Object Injection
Quick assessment
Affected
Sassy Social Share Sassy Social Share
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
WordPress是WordPress（Wordpress）基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。 WordPress 插件 Sassy Social Share 存在安全漏洞，该漏洞源于缺少对 import_config 函数的功能检查，这可能会被未经授权的身份验证用户利用。
Possible ATT&CK Techniques 2 AI
T1133 · External Remote Services T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-39321
Vulnerability Information
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Vulnerability Title
Sassy Social Share 3.3.23 PHP Object Injection
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是WordPress（Wordpress）基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。 WordPress 插件 Sassy Social Share 存在安全漏洞，该漏洞源于缺少对 import_config 函数的功能检查，这可能会被未经授权的身份验证用户利用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Sassy Social Share | Sassy Social Share | 3.3.23 | - |
|
II. Public POCs for CVE-2021-39321
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2021-39321 (1)
Vendor Advisories for CVE-2021-39321 (2)
-
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39321 x_refsource_MISC
IV. Related Vulnerabilities
Same weakness: CWE-863
V. Comments for CVE-2021-39321
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