CVE-2021-24241— Advanced Custom Field Pro < 5.9.1 - Reflected Cross-Site Scripting (XSS)
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I. Basic Information for CVE-2021-24241
Vulnerability Information
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Vulnerability Title
Advanced Custom Field Pro < 5.9.1 - Reflected Cross-Site Scripting (XSS)
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Advanced Custom Fields Pro WordPress plugin before 5.9.1 did not properly escape the generated update URL when outputting it in an attribute, leading to a reflected Cross-Site Scripting issue in the update settings 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 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 plugin Advanced Custom Fields Pro 5.9.1 之前版本存在跨站脚本漏洞，该漏洞源于没有正确地转义生成的更新URL，导致在更新设置页面反映跨站点脚本问题。
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 |
|---|---|---|---|---|
| Unknown | Advanced Custom Fields Pro | 5.9.1 ~ 5.9.1 | - |
II. Public POCs for CVE-2021-24241
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://www.advancedcustomfields.com/blog/acf-5-9-1-release/x_refsource_MISC
- https://wpscan.com/vulnerability/d1e9c995-37bd-4952-b88e-945e02e3c83fx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-24241
Same Patch Batch · Unknown · 2021-04-22 · 7 CVEs total
| CVE-2021-24239 | Pie Register < 3.7.0.1 - Reflected Cross-Site Scripting (XSS) | |
| CVE-2021-24240 | Business Hours Pro <= 5.5.0 - Unauthenticated Arbitrary File Upload to RCE | |
| CVE-2021-24232 | Advanced Booking Calendar < 1.6.8 - Authenticated Reflected Cross-Site Scripting (XSS) | |
| CVE-2021-24233 | Cooked Pro < 1.7.5.6 - Unauthenticated Reflected Cross Site Scripting (XSS) | |
| CVE-2021-24234 | Ivory Search < 4.6.1 - Reflected Cross Site Scripting (XSS) | |
| CVE-2021-24235 | Goto - Tour & Travel < 2.0 - Unauthenticated Reflected XSS |
IV. Related Vulnerabilities
Same product: Advanced Custom Fields Pro
- CVE-2024-37251
WordPress Advanced Custom Fields Pro plugin < 6.3.2 - Cross- - CVE-2024-37250
WordPress Advanced Custom Fields Pro plugin < 6.3.2 - Subscr - CVE-2024-37249
WordPress Advanced Custom Fields Pro plugin < 6.3.2 - Contri - CVE-2024-34762
Wordpress Advanced Custom Fields Pro plugin < 6.2.10 - Contr - CVE-2024-34761
Wordpress Advanced Custom Fields Pro plugin < 6.2.10 - Contr
Same vendor: Unknown
- CVE-2026-6433
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
- CVE-2026-8262
Devs Palace ERP Online chart-save cross site scripting - CVE-2026-8256
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Devs Palace ERP Online add_new_customer cross site scripting - CVE-2026-8254
Devs Palace ERP Online sales_save cross site scripting - CVE-2026-8253
Devs Palace ERP Online purchase_save cross site scripting
V. Comments for CVE-2021-24241
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