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    CVE-2023-2023

    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.

    Published:May 30, 2023
    Last Modified:Jan 9, 2025
    EPS:May 30, 2023
    EPSS Score:0.73313
    CVSS Score:6.1

    Affected Products

    Vendor
    Kunalnagar
    Product
    Custom 404 Pro

    Exploits

    https://wpscan.com/vulnerability/8859843a-a8c2-4f7a-8372-67049d6ea317https://wpscan.com/vulnerability/8859843a-a8c2-4f7a-8372-67049d6ea317https://github.com/druxter-x/PHP-CVE-2023-2023-2640-POC-Escalationhttps://github.com/thatformat/Hvv2023

    Related CVEs

    CVE-2025-62880 (CVSS 4.3) — Cross-Site Request Forgery (CSRF) vulnerability in Kunal Custom 404 Pro custom-404-pro allows Cross Site Reque…
    CVE-2025-9947 (CVSS 4.9) — The Custom 404 Pro plugin for WordPress is vulnerable to time-based SQL Injection via the ‘path’ parameter in …
    CVE-2024-39646 (CVSS 7.1) — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Kunal Cu…
    CVE-2023-51540 (CVSS 7.1) — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Kunal Na…
    CVE-2023-32740 (CVSS 5.8) — Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Kunal Nagar Custom 404 Pro plugin <= 3.8.1 versi…
    CVE-2023-2032 (CVSS 9.8) — The Custom 404 Pro WordPress plugin before 3.8.1 does not properly sanitize database inputs, leading to multip…
    CVE-2022-47605 (CVSS 6.4) — Auth. SQL Injection') vulnerability in Kunal Nagar Custom 404 Pro plugin <= 3.7.0 versions.…
    CVE-2023-0385 (CVSS 4.3) — The Custom 404 Pro plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and inc…
    CVE-2019-15838 (CVSS 6.1) — The custom-404-pro plugin before 3.2.8 for WordPress has reflected XSS, a different vulnerability than CVE-201…
    CVE-2019-14789 (CVSS 6.1) — The Custom 404 Pro plugin 3.2.8 for WordPress has XSS via the wp-admin/admin.php?page=c4p-main page parameter.…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High