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CVE-2021-24988— WP RSS Aggregator < 4.19.3 - Subscriber+ Stored Cross-Site Scripting

Quick assessment

Affected
Unknown WP RSS Aggregator – News Feeds, Autoblogging, Youtube Video Feeds and More
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 插件是WordPress开源的一个应用插件。 WP RSS Aggregator WordPress plugin 4.19.3之前版本存在安全漏洞，该漏洞源于插件在将数据输出到系统信息管理仪表板之前不会清理和转义数据。

AI Predicted 7.1 Difficulty: Easy EPSS 0.29% · P20
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I. Basic Information for CVE-2021-24988

Vulnerability Information
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Vulnerability Title
WP RSS Aggregator < 4.19.3 - Subscriber+ Stored Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The WP RSS Aggregator WordPress plugin before 4.19.3 does not sanitise and escape data before outputting it in the System Info admin dashboard, which could lead to a Stored XSS issue due to the wprss_dismiss_addon_notice AJAX action missing authorisation and CSRF checks, allowing any authenticated users, such as subscriber to call it and set a malicious payload in the addon parameter.
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是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 插件是WordPress开源的一个应用插件。 WP RSS Aggregator WordPress plugin 4.19.3之前版本存在安全漏洞，该漏洞源于插件在将数据输出到系统信息管理仪表板之前不会清理和转义数据。
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 WP RSS Aggregator – News Feeds, Autoblogging, Youtube Video Feeds and More 4.19.3 ~ 4.19.3 -

II. Public POCs for CVE-2021-24988

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III. Intelligence Information for CVE-2021-24988

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Vendor Advisories for CVE-2021-24988 (1)

Same Patch Batch · Unknown · 2021-12-27 · 12 CVEs total

CVE-2021-24997 WP Guppy < 1.3 - Sensitive Information Disclosure
CVE-2021-24998 Simple JWT Login < 3.3.0 - Insecure Password Creation
CVE-2021-24992 Buttonizer - Smart Floating Action Button < 2.5.5 - Admin+ Stored Cross-Site Scripting
CVE-2021-24984 WPFront User Role Editor < 3.2.1.11184 - Reflected Cross-Site Scripting
CVE-2021-24980 Gwolle Guestbook < 4.2.0 - Reflected Cross-Site Scripting
CVE-2021-24979 Paid Memberships Pro < 2.6.6 - Reflected Cross-Site Scripting
CVE-2021-24967 Contact Form & Lead Form Elementor Builder < 1.6.4 - Unauthenticated Stored Cross-Site Scr
CVE-2021-24969 Download Manager < 3.2.22 - Subscriber+ Stored Cross-Site Scripting
CVE-2021-24902 Typebot < 1.4.3 - Admin+ Stored Cross Site Scripting
CVE-2021-24797 Tickera < 3.4.8.3 - Unauthenticated Stored Cross-Site Scripting
CVE-2021-24753 Rich Reviews by Starfish < 1.9.6 - Admin+ SQL Injection

IV. Related Vulnerabilities

Same product: WP RSS Aggregator – News Feeds, Autoblogging, Youtube Video Feeds and More
Same vendor: Unknown
Same weakness: CWE-79

V. Comments for CVE-2021-24988

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