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CVE-2021-24245— Stop Spammers < 2021.9 - Reflected Cross-Site Scripting (XSS)

Quick assessment

Affected
Trumani Stop Spammers
Exploitation
Public or AI PoC available; prioritize validation
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Stop Spammers 在2021.9之前版本存在安全漏洞，该漏洞源于没有转义用户输入，这会导致跨站点脚本问题。

AI Predicted 6.1 Difficulty: Easy EPSS 5.72% · P93

Public Exploits 2

ExploitDB · 1 EDB-49880 [webapps]
Nuclei · 1 CVE-2021-24245.yaml [template]

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-24245

Vulnerability Information
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Vulnerability Title
Stop Spammers < 2021.9 - Reflected Cross-Site Scripting (XSS)
Source: CVE Program / CVE List V5
Vulnerability Description
The Stop Spammers WordPress plugin before 2021.9 did not escape user input when blocking requests (such as matching a spam word), outputting it in an attribute after sanitising it to remove HTML tags, which is not sufficient and lead to a reflected Cross-Site Scripting issue.
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 跨站脚本漏洞
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Stop Spammers 在2021.9之前版本存在安全漏洞，该漏洞源于没有转义用户输入，这会导致跨站点脚本问题。
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
Trumani Stop Spammers 2021.9 ~ 2021.9 -

II. Public POCs for CVE-2021-24245

# POC Description Source Link Shenlong Link
1 WordPress Stop Spammers plugin before 2021.9 contains a reflected cross-site scripting vulnerability. It does not escape user input when blocking requests (such as matching a spam word), thus outputting it in an attribute after sanitizing it to remove HTML tags. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24245.yaml POC Details
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III. Intelligence Information for CVE-2021-24245

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Vendor Advisories for CVE-2021-24245 (1)

Exploits & Public PoCs for CVE-2021-24245 (1)

IV. Related Vulnerabilities

Same product: Stop Spammers
Same weakness: CWE-79

V. Comments for CVE-2021-24245

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