{"id":56026,"date":"2025-06-29T18:32:58","date_gmt":"2025-06-29T18:32:58","guid":{"rendered":""},"modified":"2025-08-07T17:10:36","modified_gmt":"2025-08-07T23:10:36","slug":"cve-2025-5806-jenkins-gatling-plugin-xss-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-5806-jenkins-gatling-plugin-xss-vulnerability\/","title":{"rendered":"<strong>CVE-2025-5806: Jenkins Gatling Plugin XSS Vulnerability<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The CVE-2025-5806 is a major security vulnerability found in the Jenkins Gatling Plugin 136.vb_9009b_3d33a_e, which affects its ability to serve Gatling reports. This vulnerability allows for a significant bypass of the Content-Security-Policy protection implemented in Jenkins versions 1.641 and 1.625. As a result, an attacker can exploit a cross-site scripting (XSS) vulnerability, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49847-buffer-overflow-vulnerability-in-llama-cpp-leading-to-potential-code-execution\/\"  data-wpil-monitor-id=\"62751\">potentially leading<\/a> to a system compromise or data leakage. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-52928-severe-bypass-issue-in-arc-on-windows-allows-unauthorized-permissions-grant\/\"  data-wpil-monitor-id=\"65083\">severity of this issue<\/a> is heightened due to the widespread use of Jenkins as an open-source automation server, used by developers for building, testing, and deploying software.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-5806<br \/>\nSeverity: High (8.0 CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6370-critical-vulnerability-in-d-link-dir-619l-2-06b01-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"63479\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2284763149\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53652-jenkins-git-parameter-plugin-unvalidated-input-vulnerability\/\"  data-wpil-monitor-id=\"68609\">Jenkins Gatling Plugin<\/a> | 136.vb_9009b_3d33a_e<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4413-arbitrary-file-upload-vulnerability-in-pixabay-images-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"62750\">vulnerability stems from the Jenkins Gatling Plugin&#8217;s<\/a> method of serving Gatling reports. This process bypasses the Content-Security-Policy protection implemented in Jenkins versions 1.641 and 1.625, thereby exposing a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45786-cross-site-scripting-xss-vulnerability-in-real-estate-management-1-0\/\"  data-wpil-monitor-id=\"63964\">cross-site scripting<\/a> (XSS) vulnerability. An attacker, who can change the report content, can then inject malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6512-script-execution-with-admin-privileges-on-brain2-server\/\"  data-wpil-monitor-id=\"63478\">scripts that are executed<\/a> in the user&#8217;s browser. This could allow the attacker to steal <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6560-sapido-wireless-routers-exposure-of-sensitive-information-vulnerability\/\"  data-wpil-monitor-id=\"64461\">sensitive information<\/a> or to perform actions on behalf of the victim user.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3895411783\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>Here&#8217;s a conceptual example of how the vulnerability might be exploited. This represents a malicious payload being inserted into a Gatling report:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/jenkins\/gatling-plugin\/report HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;report_content&quot;: &quot;&lt;script&gt;malicious_code_here&lt;\/script&gt;&quot; }<\/code><\/pre>\n<p>In this conceptual example, the &#8220;malicious_code_here&#8221; would be replaced with the actual malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8029-critical-javascript-execution-vulnerability-in-thunderbird\/\"  data-wpil-monitor-id=\"67477\">JavaScript that the attacker wishes to execute<\/a> in the user&#8217;s browser. Please note, this is a simplified representation of the exploit and actual attacks may involve more complex techniques.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The primary mitigation for CVE-2025-5806 is to apply the vendor-supplied patch. If for some reason, patching is not immediately possible, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to block or flag malicious traffic can serve as a temporary mitigation. These systems can be <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6513-brain2-database-configuration-file-access-vulnerability-in-standard-windows-users\/\"  data-wpil-monitor-id=\"64539\">configured to detect and block attempts to exploit this vulnerability<\/a>, providing a layer of defense while a more permanent solution is implemented.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The CVE-2025-5806 is a major security vulnerability found in the Jenkins Gatling Plugin 136.vb_9009b_3d33a_e, which affects its ability to serve Gatling reports. This vulnerability allows for a significant bypass of the Content-Security-Policy protection implemented in Jenkins versions 1.641 and 1.625. As a result, an attacker can exploit a cross-site scripting (XSS) vulnerability, potentially leading [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[81],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-56026","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-xss"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/56026","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=56026"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/56026\/revisions"}],"predecessor-version":[{"id":61944,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/56026\/revisions\/61944"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=56026"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=56026"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=56026"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=56026"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=56026"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=56026"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=56026"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=56026"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=56026"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}