{"id":59596,"date":"2025-07-23T22:53:59","date_gmt":"2025-07-23T22:53:59","guid":{"rendered":""},"modified":"2025-09-27T08:15:07","modified_gmt":"2025-09-27T14:15:07","slug":"cve-2025-31422-deserialization-of-untrusted-data-vulnerability-in-visual-art-gallery-wordpress-theme","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-31422-deserialization-of-untrusted-data-vulnerability-in-visual-art-gallery-wordpress-theme\/","title":{"rendered":"<strong>CVE-2025-31422: Deserialization of Untrusted Data Vulnerability in Visual Art | Gallery WordPress Theme<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the ever-evolving landscape of cybersecurity, new vulnerabilities are discovered every day. One such vulnerability, recently unveiled, is the CVE-2025-31422, which specifically affects the designthemes Visual Art | Gallery WordPress Theme. This vulnerability is caused by the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46835-high-risk-vulnerability-in-git-gui-allows-unauthorized-file-overwrite\/\"  data-wpil-monitor-id=\"66815\">deserialization of untrusted data<\/a> that allows object injection, thereby leading to potential system compromise or data leakage.<br \/>\nThis vulnerability is of significant importance due to the wide usage of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-41687-stack-based-buffer-overflow-vulnerability-in-u-link-management-api\/\"  data-wpil-monitor-id=\"68317\">WordPress<\/a> as a content management system worldwide. It affects all versions of the Visual Art | Gallery WordPress Theme, opening up the possibility of a threat actor exploiting this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43933-high-risk-vulnerability-leading-to-potential-system-compromise-via-password-reset-feature\/\"  data-wpil-monitor-id=\"70878\">vulnerability to potentially compromise<\/a> a large number of websites or leak sensitive data.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-31422<br \/>\nSeverity: High (CVSS Score: 8.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: None<br \/>\nImpact: System Compromise, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53495-unauthorized-access-data-leakage-in-wikimedia-foundation-mediawiki-abusefilter-extension\/\"  data-wpil-monitor-id=\"72520\">Data Leakage<\/a><\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1108449978\" 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>Visual Art | Gallery <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8592-wordpress-inspiro-theme-vulnerability-to-cross-site-request-forgery-csrf\/\"  data-wpil-monitor-id=\"85379\">WordPress Theme<\/a> | All versions till 2.4<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50105-critical-vulnerability-in-oracle-universal-work-queue-allowing-unauthorized-data-access\/\"  data-wpil-monitor-id=\"68652\">vulnerability arises from the theme&#8217;s handling of untrusted data<\/a>. During the deserialization process, the theme does not adequately <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8279-critical-input-validation-vulnerability-in-gitlab-language-server\/\"  data-wpil-monitor-id=\"68992\">validate or sanitize the input<\/a>, which allows an attacker to inject malicious objects into the data stream. Once the malicious object is deserialized, it can execute <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-25214-race-condition-vulnerability-in-wwbn-avideo-14-4-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"68318\">arbitrary code<\/a>, leading to a potential system compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1851593705\" 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 this vulnerability might be exploited. It demonstrates a malicious HTTP request that could be used to deliver the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7696-critical-php-object-injection-vulnerability-in-wordpress-plugin-integration\/\"  data-wpil-monitor-id=\"70877\">object injection<\/a> payload.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/wp-content\/themes\/visualart\/gallery.php HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/php-serialize\n{ &quot;malicious_payload&quot;: &quot;O:8:\\&quot;stdClass\\&quot;:1:{s:5:\\&quot;shell\\&quot;;s:7:\\&quot;\/bin\/sh\\&quot;;}&quot; }<\/code><\/pre>\n<p>In this example, the malicious payload is a serialized <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55010-arbitrary-php-object-instantiation-in-kanboard-prior-to-version-1-2-47\/\"  data-wpil-monitor-id=\"78026\">PHP object<\/a> with a shell command embedded. When this payload is deserialized by the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2015-10139-privilege-escalation-vulnerability-in-wplms-theme-for-wordpress\/\"  data-wpil-monitor-id=\"69288\">vulnerable theme<\/a>, it could lead to the execution of this shell command, resulting in a system compromise or data leakage.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The best mitigation against this vulnerability is to apply the vendor patch as soon as it becomes available. In the interim, use of a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can help to prevent exploitation of this vulnerability. It is also recommended to regularly update <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5835-droip-plugin-for-wordpress-unauthorized-access-and-modification-vulnerability\/\"  data-wpil-monitor-id=\"68991\">WordPress themes and plugins<\/a> to their latest versions to minimize the risk of similar vulnerabilities.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the ever-evolving landscape of cybersecurity, new vulnerabilities are discovered every day. One such vulnerability, recently unveiled, is the CVE-2025-31422, which specifically affects the designthemes Visual Art | Gallery WordPress Theme. This vulnerability is caused by the deserialization of untrusted data that allows object injection, thereby leading to potential system compromise or data leakage. [&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":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-59596","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59596","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=59596"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59596\/revisions"}],"predecessor-version":[{"id":78170,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59596\/revisions\/78170"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=59596"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=59596"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=59596"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=59596"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=59596"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=59596"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=59596"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=59596"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=59596"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}