{"id":3147,"date":"2026-01-14T17:31:04","date_gmt":"2026-01-14T17:31:04","guid":{"rendered":"https:\/\/www.ucartz.com\/updates\/url-params-wordpress-plugin-stored-xss-vulnerability-cve-2023-0274-medium-severity\/"},"modified":"2026-01-14T17:31:06","modified_gmt":"2026-01-14T17:31:06","slug":"url-params-wordpress-plugin-stored-xss-vulnerability-cve-2023-0274-medium-severity","status":"publish","type":"post","link":"https:\/\/www.ucartz.com\/updates\/url-params-wordpress-plugin-stored-xss-vulnerability-cve-2023-0274-medium-severity\/","title":{"rendered":"URL Params WordPress Plugin Stored XSS Vulnerability (CVE-2023-0274) \u2014 Medium Severity"},"content":{"rendered":"<p>The digital world relies heavily on plugins to extend functionality, especially for popular platforms like WordPress. However, these powerful tools can sometimes introduce security risks if not developed and maintained carefully. Recently, a notable security flaw was discovered in the URL Params WordPress plugin, a tool that helps website administrators manage URL parameters. This vulnerability, identified as CVE-2023-0274, could allow malicious actors to inject harmful scripts into websites, potentially compromising user data and site integrity.<\/p>\n<p>At its core, this flaw is a type of Stored Cross-Site Scripting (XSS) vulnerability. This means an attacker doesn&#8217;t just make something happen on their own computer; instead, they embed malicious code directly onto the website. When other users visit the affected page, their browsers unknowingly run this hidden, harmful code. In the case of the URL Params plugin, users with even a &#8216;contributor&#8217; role on a WordPress site could exploit this to inject these scripts through the plugin&#8217;s shortcode attributes, which were not properly checked and secured.<\/p>\n<h2>CVE Details<\/h2>\n<p>This vulnerability is officially known by its CVE ID: CVE-2023-0274.<\/p>\n<ul>\n<li><strong>Product Name:<\/strong> URL Params WordPress plugin<\/li>\n<li><strong>Published Date:<\/strong> August 16, 2023<\/li>\n<li><strong>Severity:<\/strong> Medium<\/li>\n<li><strong>Status:<\/strong> Analyzed<\/li>\n<\/ul>\n<h2>Affected Products<\/h2>\n<p>The Stored Cross-Site Scripting (XSS) vulnerability impacts versions of the <strong>URL Params WordPress plugin prior to 2.5<\/strong>. If you are using an older version of this plugin, your website is potentially at risk.<\/p>\n<h2>Current Status<\/h2>\n<p>The vulnerability has been officially &#8220;Analyzed,&#8221; meaning it has been thoroughly investigated and confirmed by security researchers. Details about its nature and impact are publicly available, allowing developers and administrators to take informed action.<\/p>\n<h2>Severity Level<\/h2>\n<p>The vulnerability is rated as <strong>Medium severity<\/strong>, with a CVSS v3.1 score of 6.8. A Medium severity rating indicates that while an exploit might require specific conditions or user roles (in this case, a contributor-level user or higher), a successful attack could still lead to significant issues. Stored XSS attacks can steal sensitive information (like cookies or login credentials), deface websites, or redirect users to malicious sites, making it a serious concern for any website owner.<\/p>\n<h2>Possible Solutions<\/h2>\n<p>The good news is that a fix is available. To protect your WordPress site from this vulnerability, you should immediately update the URL Params plugin to version 2.5 or higher. This update includes the necessary security patches that properly validate and escape shortcode attributes, closing the loophole that allowed for XSS attacks.<\/p>\n<p>Regularly updating all your WordPress plugins, themes, and the core WordPress software is a fundamental cybersecurity practice. It ensures you benefit from the latest security fixes and helps maintain a secure online environment for your users.<\/p>\n<h2>References<\/h2>\n<p>https:\/\/wpscan.com\/vulnerability\/4f6197b6-6d4c-4986-b54c-453b17e94812<br \/>\nhttps:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2023-0274<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The digital world relies heavily on plugins to extend functionality, especially for popular platforms like WordPress. However, these powerful tools can sometimes introduce security risks if not developed and maintained carefully. Recently, a notable security flaw was discovered in the URL Params WordPress plugin, a tool that helps website administrators manage URL parameters. This vulnerability, [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":2545,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[931,746,726,736,692],"class_list":["post-3147","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-security","tag-url-params","tag-website-security","tag-wordpress","tag-wordpress-plugin","tag-xss"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>URL Params WordPress Plugin Stored XSS Vulnerability (CVE-2023-0274) \u2014 Medium Severity - Web Hosting and IT Consultancy Services<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ucartz.com\/updates\/url-params-wordpress-plugin-stored-xss-vulnerability-cve-2023-0274-medium-severity\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"URL Params WordPress Plugin Stored XSS Vulnerability (CVE-2023-0274) \u2014 Medium Severity - Web Hosting and IT Consultancy Services\" \/>\n<meta property=\"og:description\" content=\"The digital world relies heavily on plugins to extend functionality, especially for popular platforms like WordPress. 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This vulnerability, [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ucartz.com\/updates\/url-params-wordpress-plugin-stored-xss-vulnerability-cve-2023-0274-medium-severity\/\" \/>\n<meta property=\"og:site_name\" content=\"Web Hosting and IT Consultancy Services\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-14T17:31:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-14T17:31:06+00:00\" \/>\n<meta name=\"author\" content=\"Alex Joseph\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Alex Joseph\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.ucartz.com\\\/updates\\\/url-params-wordpress-plugin-stored-xss-vulnerability-cve-2023-0274-medium-severity\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.ucartz.com\\\/updates\\\/url-params-wordpress-plugin-stored-xss-vulnerability-cve-2023-0274-medium-severity\\\/\"},\"author\":{\"name\":\"Alex Joseph\",\"@id\":\"https:\\\/\\\/www.ucartz.com\\\/updates\\\/#\\\/schema\\\/person\\\/1ba9bfab02a76dee216c9f55bb634e56\"},\"headline\":\"URL Params WordPress Plugin Stored XSS Vulnerability (CVE-2023-0274) \u2014 Medium Severity\",\"datePublished\":\"2026-01-14T17:31:04+00:00\",\"dateModified\":\"2026-01-14T17:31:06+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.ucartz.com\\\/updates\\\/url-params-wordpress-plugin-stored-xss-vulnerability-cve-2023-0274-medium-severity\\\/\"},\"wordCount\":463,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.ucartz.com\\\/updates\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.ucartz.com\\\/updates\\\/url-params-wordpress-plugin-stored-xss-vulnerability-cve-2023-0274-medium-severity\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.ucartz.com\\\/updates\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/Wordpress-Banner.webp\",\"keywords\":[\"URL Params\",\"Website Security\",\"WordPress\",\"WordPress Plugin\",\"Xss\"],\"articleSection\":[\"Security\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.ucartz.com\\\/updates\\\/url-params-wordpress-plugin-stored-xss-vulnerability-cve-2023-0274-medium-severity\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.ucartz.com\\\/updates\\\/url-params-wordpress-plugin-stored-xss-vulnerability-cve-2023-0274-medium-severity\\\/\",\"url\":\"https:\\\/\\\/www.ucartz.com\\\/updates\\\/url-params-wordpress-plugin-stored-xss-vulnerability-cve-2023-0274-medium-severity\\\/\",\"name\":\"URL Params WordPress Plugin Stored XSS Vulnerability (CVE-2023-0274) \u2014 Medium Severity - 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