{"id":54753,"date":"2025-06-24T09:37:27","date_gmt":"2025-06-24T09:37:27","guid":{"rendered":""},"modified":"2025-09-07T05:38:09","modified_gmt":"2025-09-07T11:38:09","slug":"cve-2025-34511-sitecore-powershell-extensions-remote-code-execution-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-34511-sitecore-powershell-extensions-remote-code-execution-vulnerability\/","title":{"rendered":"<strong>CVE-2025-34511: Sitecore PowerShell Extensions Remote Code Execution Vulnerability<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The Common Vulnerabilities and Exposures (CVE) system recently identified a vulnerability, designated CVE-2025-34511, which affects Sitecore PowerShell Extensions. This add-on is widely used in conjunction with Sitecore Experience Manager (XM) and Experience Platform (XP). The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5395-arbitrary-file-upload-vulnerability-in-wordpress-automatic-plugin\/\"  data-wpil-monitor-id=\"61130\">vulnerability in question is an unrestricted file upload<\/a> issue, which, if exploited by a remote, authenticated attacker, can allow arbitrary files to be uploaded to the server. This subsequently results in potential <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-41661-unauthenticated-remote-command-execution-vulnerability-due-to-csrf-in-main-web-interface\/\"  data-wpil-monitor-id=\"61139\">remote code execution<\/a>, making it a worrying issue for Sitecore users.<br \/>\nThe severity of this vulnerability, its potential impact on the integrity of affected systems, and its wide applicability make it a significant concern for individuals and organizations that rely on Sitecore Experience <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46840-adobe-experience-manager-improper-authorization-vulnerability-leading-to-privilege-escalation\/\"  data-wpil-monitor-id=\"61311\">Manager<\/a> and Experience Platform.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-34511<br \/>\nSeverity: High, CVSS score of 8.8<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49415-path-traversal-vulnerability-in-fw-gallery-with-potential-for-system-compromise\/\"  data-wpil-monitor-id=\"62764\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3222720056\" 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>Sitecore PowerShell Extensions | Up to version 7.0<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of an unrestricted <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5012-arbitrary-file-upload-vulnerability-in-the-workreap-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"61323\">file upload vulnerability<\/a> in the Sitecore PowerShell Extensions. A remote, authenticated attacker can craft specific HTTP requests to upload <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6065-arbitrary-file-deletion-vulnerability-in-image-resizer-on-the-fly-wordpress-plugin\/\"  data-wpil-monitor-id=\"61427\">arbitrary files<\/a> to the server. This unrestricted file upload can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5491-acer-controlcenter-remote-code-execution-vulnerability-potential-system-compromise\/\"  data-wpil-monitor-id=\"61215\">potentially lead to remote code execution<\/a>. The attacker could leverage this to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-29902-a-high-risk-remote-code-execution-vulnerability\/\"  data-wpil-monitor-id=\"61389\">execute malicious code<\/a>, potentially compromising the system or leading to data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3889736310\" 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 is a conceptual example of how this vulnerability might be exploited. This is a sample HTTP POST request that an attacker could use to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47559-unrestricted-file-upload-vulnerability-in-romancode-mapsvg\/\"  data-wpil-monitor-id=\"62336\">upload a malicious file:<\/a><\/p>\n<pre><code class=\"\" data-line=\"\">POST \/UploadHandler.ashx HTTP\/1.1\nHost: victim-sitecore-server.com\nContent-Type: multipart\/form-data; boundary=----boundary\n------boundary\nContent-Disposition: form-data; name=&quot;file&quot;; filename=&quot;malicious_file.txt&quot;\nContent-Type: text\/plain\n[Insert malicious payload here]\n------boundary--<\/code><\/pre>\n<p>Remember, this is a simplified, conceptual example meant to highlight the vulnerability. In a real-world scenario, the attacker would need to craft a more sophisticated request, and the payload would likely be a complex script designed to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49132-critical-arbitrary-code-execution-vulnerability-in-pterodactyl-game-server-management-panel\/\"  data-wpil-monitor-id=\"63278\">execute malicious actions on the server<\/a>.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>To mitigate this vulnerability, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-34509-hardcoded-user-account-in-sitecore-xm-and-xp-enabling-unauthenticated-remote-access\/\"  data-wpil-monitor-id=\"62763\">users of affected versions of Sitecore<\/a> PowerShell Extensions are advised to apply the vendor patch as soon as it is available. If the patch cannot be applied immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation strategy. These tools can help monitor and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53763-improper-access-control-in-azure-databricks-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"79836\">control incoming network traffic to detect and block potential<\/a> exploit attempts.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The Common Vulnerabilities and Exposures (CVE) system recently identified a vulnerability, designated CVE-2025-34511, which affects Sitecore PowerShell Extensions. This add-on is widely used in conjunction with Sitecore Experience Manager (XM) and Experience Platform (XP). The vulnerability in question is an unrestricted file upload issue, which, if exploited by a remote, authenticated attacker, can allow [&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":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-54753","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/54753","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=54753"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/54753\/revisions"}],"predecessor-version":[{"id":72271,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/54753\/revisions\/72271"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=54753"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=54753"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=54753"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=54753"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=54753"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=54753"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=54753"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=54753"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=54753"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}