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CVE-2021-24656— Simple Social Media Share Buttons < 3.2.4 - Authenticated Stored Cross-Site Scripting

Quick assessment

Affected
Unknown Simple Social Media Share Buttons – Social Sharing for Everyone
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 插件是WordPress开源的一个应用插件。 WordPress 插件 Simple Social Media Share Buttons 中存在跨站脚本漏洞，该漏洞源于产品将共享标题设置输出到前台时未能正确过滤输入数据。攻击者可通过该漏洞执行客户端代码。以下产品及版本受到影响：Woredpress Plugin Simple Social Media Share Buttons 3.2.4 之前版本。

AI Predicted 5.4 Difficulty: Easy EPSS 0.62% · P48

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-24656

Vulnerability Information
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Vulnerability Title
Simple Social Media Share Buttons < 3.2.4 - Authenticated Stored Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The Simple Social Media Share Buttons WordPress plugin before 3.2.4 does not escape the Share Title settings before outputting it in the frontend pages or posts (depending on the settings used), allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress 插件 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress 插件是WordPress开源的一个应用插件。 WordPress 插件 Simple Social Media Share Buttons 中存在跨站脚本漏洞，该漏洞源于产品将共享标题设置输出到前台时未能正确过滤输入数据。攻击者可通过该漏洞执行客户端代码。以下产品及版本受到影响：Woredpress Plugin Simple Social Media Share Buttons 3.2.4 之前版本。
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
Unknown Simple Social Media Share Buttons – Social Sharing for Everyone 3.2.4 ~ 3.2.4 -

II. Public POCs for CVE-2021-24656

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-24656

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Vendor Advisories for CVE-2021-24656 (1)

Same Patch Batch · Unknown · 2021-10-11 · 17 CVEs total

CVE-2021-24737 Comments - wpDiscuz <= 7.3.0 - Admin+ Stored Cross-Site Scripting
CVE-2021-24720 GeoDirectory < 2.1.1.3 - Authenticated Stored Cross-Site Scripting (XSS)
CVE-2021-24719 Enfold Theme < 4.8.4 - Reflected Cross-Site Scripting (XSS)
CVE-2021-24712 Appointment Hour Booking – WordPress Booking Plugin < 1.3.17 - Authenticated Stored XSS
CVE-2021-24711 Software License Manager < 4.5.1 - Arbitrary Domain Deletion via CSRF
CVE-2021-24709 Weather Effect < 1.3.6 - Admin+ Stored Cross-Site Scripting
CVE-2021-24691 Quiz And Survey Master < 7.3.2 - Admin+ Stored Cross-Site Scripting
CVE-2021-24690 Chained Quiz < 1.2.7.2 - Authenticated Stored Cross Site Scripting
CVE-2021-24683 Weather Effect < 1.3.4 - CSRF to Stored Cross-Site Scripting
CVE-2021-24681 Duplicate Page <= 4.4.2 - Admin+ Stored Cross-Site Scripting
CVE-2021-24651 Poll Maker < 3.4.2 - Unauthenticated Time Based SQL Injection
CVE-2021-24577 Coming Soon and Maintenance Mode < 3.5.3 - Authenticated Stored XSS
CVE-2021-24576 Easy Accordion < 2.0.22 - Authenticated Stored XSS
CVE-2021-24563 Frontend Uploader <= 1.3.2 - Unauthenticated Stored Cross-Site Scripting
CVE-2021-24546 EditorsKit < 1.31.6 - Contributor+ Arbitrary PHP Code Execution
CVE-2021-24545 WP HTML Author Bio <= 1.2.0 - Author+ Stored Cross-Site Scripting

IV. Related Vulnerabilities

Same product: Simple Social Media Share Buttons – Social Sharing for Everyone
Same vendor: Unknown
Same weakness: CWE-79

V. Comments for CVE-2021-24656

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