Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-24759— PDF.js Viewer < 2.0.2 - Contributor+ Stored Cross-Site Scripting

Quick assessment

Affected
Unknown PDF.js Viewer
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。 WordPress插件存在跨站脚本漏洞，该漏洞源于在2.0.2版本之前的PDF.js Viewer WordPress插件并没有逃脱它的一些短代码和Gutenberg Block属性，这可能会允许角色低至贡献者的用户执行跨站点脚本攻击

AI Predicted 5.4 Difficulty: Easy EPSS 0.62% · P48

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-24759

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
PDF.js Viewer < 2.0.2 - Contributor+ Stored Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The PDF.js Viewer WordPress plugin before 2.0.2 does not escape some of its shortcode and Gutenberg Block attributes, which could allow users with a role as low as Contributor to to perform Cross-Site Scripting attacks
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。 WordPress插件存在跨站脚本漏洞，该漏洞源于在2.0.2版本之前的PDF.js Viewer WordPress插件并没有逃脱它的一些短代码和Gutenberg Block属性，这可能会允许角色低至贡献者的用户执行跨站点脚本攻击
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 PDF.js Viewer 2.0.2 ~ 2.0.2 -

II. Public POCs for CVE-2021-24759

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-24759

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-24759 (1)

Same Patch Batch · Unknown · 2021-12-06 · 14 CVEs total

CVE-2021-24714 WP All Import < 3.6.3 - Admin+ Stored Cross-Site Scripting
CVE-2021-24718 ARForms Form Builder < 1.5 - Admin+ Stored Cross Site Scripting
CVE-2021-24866 WP Data Access < 5.0.0 - Admin+ SQL Injection
CVE-2021-24914 Tawk.to Live Chat < 0.6.0 - Subscriber+ Visitor Monitoring & Chat Removal
CVE-2021-24917 WPS Hide Login < 1.9.1 - Protection Bypass with Referer-Header
CVE-2021-24924 Email Log < 2.4.8 - Reflected Cross-Site Scripting
CVE-2021-24930 Bookly < 20.3.1 - Staff Member Stored Cross-Site Scripting
CVE-2021-24931 Secure Copy Content Protection and Content Locking < 2.8.2 - Unauthenticated SQL Injection
CVE-2021-24935 WP Google Fonts < 3.1.5 - Reflected Cross-Site Scripting
CVE-2021-24938 WooCommerce Currency Switcher < 1.3.7.1 - Reflected Cross-Site Scripting
CVE-2021-24939 LoginWP < 3.0.0.5 - Reflected Cross-Site Scripting
CVE-2021-24943 Registrations for the Events Calendar < 2.7.6 - Unauthenticated SQL Injection
CVE-2021-25041 Photo Gallery by 10Web < 1.5.68 - Reflected Cross-Site Scripting (XSS)

IV. Related Vulnerabilities

Same product: PDF.js Viewer
Same vendor: Unknown
Same weakness: CWE-79

V. Comments for CVE-2021-24759

No comments yet

Leave a comment