CVE-2023-2023— Custom 404 Pro < 3.7.3 - Reflected Cross-Site Scripting
Quick assessment
Affected
Unknown Custom 404 Pro
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和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用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是一个应用插件。 WordPress plugin Custom 404 Pro 3.7.3 版本之前存在跨站脚本漏洞，该漏洞源于在将用户输入信息输出到属性之前不会转义某些 URL，从而导致反射式跨站点脚本。
Public Exploits 1
Nuclei · 1
CVE-2023-2023.yaml [template]
Possible ATT&CK Techniques 1 AI
T1189 · Drive-by Compromise
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I. Basic Information for CVE-2023-2023
Vulnerability Information
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Vulnerability Title
Custom 404 Pro < 3.7.3 - Reflected Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The Custom 404 Pro WordPress plugin before 3.7.3 does not escape some URLs before outputting them in attributes, leading to Reflected Cross-Site Scripting.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Custom 404 Pro 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用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是一个应用插件。 WordPress plugin Custom 404 Pro 3.7.3 版本之前存在跨站脚本漏洞，该漏洞源于在将用户输入信息输出到属性之前不会转义某些 URL，从而导致反射式跨站点脚本。
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)
Shenlong Deep Dive — AI Deep Analysis
10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Unknown | Custom 404 Pro | 0 ~ 3.7.3 | - |
|
II. Public POCs for CVE-2023-2023
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | HW2023@POC@EXP@CVE-2023-2023 | https://github.com/thatformat/Hvv2023 | POC Details |
| 2 | None | https://github.com/druxter-x/PHP-CVE-2023-2023-2640-POC-Escalation | POC Details |
| 3 | Custom 404 Pro before 3.7.3 is susceptible to cross-site scripting via the search parameter due to insufficient input sanitization and output escaping. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-2023.yaml | POC Details |
AI-Generated POC
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Vendor Advisories for CVE-2023-2023 (1)
-
https://wpscan.com/vulnerability/8859843a-a8c2-4f7a-8372-67049d6ea317 exploit vdb-entry technical-description
Same Patch Batch · Unknown · 2023-05-30 · 18 CVEs total
| CVE-2023-2288 | Otter - Gutenberg Blocks < 2.2.6 - Author+ PHAR Deserialization | |
| CVE-2023-2256 | Product Addons & Fields for WooCommerce < 32.0.7 - Reflected Cross-Site Scripting | |
| CVE-2023-2470 | Add to Feedly <= 1.2.11 - Admin+ Stored XSS | |
| CVE-2023-0733 | Newsletter Popup <= 1.2 - Unauthenticated Stored XSS | |
| CVE-2023-1524 | Download Manager < 3.2.71 - Broken Access Controls | |
| CVE-2023-2518 | Easy Forms for Mailchimp < 6.8.9 - Reflected XSS | |
| CVE-2023-2113 | Autoptimize < 3.1.7 - Admin+ Stored Cross-Site Scripting via Settings Import | |
| CVE-2023-0329 | Elementor Website Builder < 3.12.2 - Admin+ SQLi | |
| CVE-2023-1938 | WP Fatest Cache < 1.1.5 - Blind SSRF via CSRF | |
| CVE-2023-2111 | HollerBox < 2.1.4 - Admin+ SQL Injection | |
| CVE-2022-4676 | OSM – OpenStreetMap <= 6.01 - Contributor+ Stored XSS via Shortcode | |
| CVE-2023-2287 | Orbit Fox < 2.10.24 - Author+ Server-Side Request Forgery | |
| CVE-2023-2117 | Image Optimizer by 10web < 1.0.27 - Admin+ Path Traversal | |
| CVE-2023-0443 | AnyWhere Elementor < 1.2.8 - Freemius API Key Disclosure | |
| CVE-2023-0766 | Newsletter Popup <= 1.2 - Record Deletion via CSRF | |
| CVE-2023-2223 | Login Rebuilder < 2.8.1 - Admin+ Stored XSS | |
| CVE-2023-2296 | Loginizer 1.7.8 - Reflected XSS |
IV. Related Vulnerabilities
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V. Comments for CVE-2023-2023
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