{"id":57362,"date":"2025-07-05T08:30:49","date_gmt":"2025-07-05T08:30:49","guid":{"rendered":""},"modified":"2025-10-24T11:55:22","modified_gmt":"2025-10-24T17:55:22","slug":"cve-2025-53093-critical-security-vulnerability-in-tabberneue-mediawiki-extension","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-53093-critical-security-vulnerability-in-tabberneue-mediawiki-extension\/","title":{"rendered":"CVE-2025-53093: Critical Security Vulnerability in TabberNeue MediaWiki Extension<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

In the ever-evolving landscape of cybersecurity, vulnerabilities present in various software tools can leave systems open to potential attacks. One such vulnerability has been identified in the TabberNeue MediaWiki extension, a tool widely used to create tabs in wiki interfaces. This vulnerability, designated as CVE-2025-53093, can allow arbitrary HTML to be inserted into the DOM, leading to potential system compromise or data<\/a> leakage. Given the severity of the issue, it is critical for users and system administrators to understand the implications of this vulnerability<\/a> and take immediate steps to mitigate the risk.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-53093
\nSeverity: Critical (CVSS 8.6)
\nAttack Vector: Web
\nPrivileges Required: None
\nUser Interaction: Required
\nImpact: Potential system compromise or data<\/a> leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

TabberNeue MediaWiki extension<\/a> | 3.0.0 to 3.1.0<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The exploit works by taking advantage of a security<\/a> flaw in the TabberNeue MediaWiki extension. Specifically, any user can insert arbitrary HTML into the Document Object<\/a> Model (DOM) by injecting a payload into any permitted attribute of the “ tag. This allows an attacker to potentially execute malicious scripts or commands, gain unauthorized access to sensitive data, or even compromise the system<\/a> entirely.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

Here is a conceptual example of how the vulnerability might be exploited. An attacker might craft a malicious payload and insert it into a permitted attribute of the `` tag, as shown below:<\/p>\n

<script>malicious code here<\/script><\/tabber><\/code><\/pre>\n
This payload, when processed by the TabberNeue MediaWiki extension, would result in the arbitrary HTML being inserted into the DOM, potentially executing the malicious script and leading<\/a> to a successful exploit.<\/p>\n
Mitigation and Guidance<\/strong><\/p>\n
To mitigate the risk of this vulnerability<\/a>, users and system administrators should immediately apply the vendor patch released with version 3.1.1 of the TabberNeue MediaWiki extension. In cases where immediate patching is not possible, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation. However, it is strongly recommended to apply the vendor patch as soon as feasible to ensure the long-term security of the system<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview In the ever-evolving landscape of cybersecurity, vulnerabilities present in various software tools can leave systems open to potential attacks. One such vulnerability has been identified in the TabberNeue MediaWiki extension, a tool widely used to create tabs in wiki interfaces. This vulnerability, designated as CVE-2025-53093, can allow arbitrary HTML to be inserted into the […]<\/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,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-57362","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t