CVE-2021-24980— Gwolle Guestbook < 4.2.0 - Reflected Cross-Site Scripting
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I. Basic Information for CVE-2021-24980
Vulnerability Information
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Vulnerability Title
Gwolle Guestbook < 4.2.0 - Reflected Cross-Site Scripting
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Gwolle Guestbook WordPress plugin before 4.2.0 does not sanitise and escape the gwolle_gb_user_email parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue in an admin page
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
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 的Gwolle Guestbook 插件 4.2.0之前版本存在跨站脚本漏洞，该漏洞源于插件在将gwolle_gb_user_email参数输出到属性之前没有对其进行清理和转逸。
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 | Gwolle Guestbook | 4.2.0 ~ 4.2.0 | - |
II. Public POCs for CVE-2021-24980
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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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-2021-24988 | WP RSS Aggregator < 4.19.3 - Subscriber+ Stored 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 vendor: Unknown
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Custom CSS JS PHP <= 2.0.7 - Unauthenticated SQL Injection t - CVE-2026-4935
SureTriggers < 1.1.23 – Unauthenticated SQLi - CVE-2026-5335
Magic Export & Import < 1.2.0 - Unauthenticated PII Disclosu - CVE-2026-5337
Frontend File Manager Plugin <= 23.6 - Subscriber+ Arbitrary - CVE-2026-5306
Check & Log Email < 2.0.13 - Unauthenticated Stored XSS
Same weakness: CWE-79
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Devs Palace ERP Online chart-save cross site scripting - CVE-2026-8256
Devs Palace ERP Online mr-save cross site scripting - CVE-2026-8255
Devs Palace ERP Online add_new_customer cross site scripting - CVE-2026-8254
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V. Comments for CVE-2021-24980
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