{"id":58922,"date":"2025-07-10T12:25:53","date_gmt":"2025-07-10T12:25:53","guid":{"rendered":""},"modified":"2025-10-24T11:55:22","modified_gmt":"2025-10-24T17:55:22","slug":"cve-2025-53501-critical-improper-access-control-vulnerability-in-wikimedia-foundation-mediawiki-scribunto-extension","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-53501-critical-improper-access-control-vulnerability-in-wikimedia-foundation-mediawiki-scribunto-extension\/","title":{"rendered":"CVE-2025-53501: Critical Improper Access Control Vulnerability in Wikimedia Foundation Mediawiki – Scribunto Extension<\/strong>"},"content":{"rendered":"

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

Cybersecurity threats are a constant concern in the world of digital communications and database management. One such threat has recently been identified in the Wikimedia Foundation’s Mediawiki – Scribunto Extension, and it’s essential for users to be aware of this vulnerability and take the necessary steps to mitigate it. This security flaw, identified as CVE-2025-53501, is an Improper Access Control vulnerability<\/a>. It arises from the system not adequately constraining authorization<\/a>, potentially leaving the door open for unauthorized access and compromising the integrity of the system.
\nThe severity of this vulnerability<\/a> cannot be overstated. It affects a wide range of Mediawiki – Scribunto Extension<\/a> versions, posing a potential threat to a significant user base. The potential consequences of this flaw are considerable, including system compromise and data leakage<\/a>. Therefore, addressing this vulnerability should be a top priority for all affected<\/a> users.<\/p>\n

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

CVE ID: CVE-2025-53501
\nSeverity: Critical (8.8 CVSS score)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: System compromise and potential<\/a> data leakage<\/p>\n

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

Product | Affected Versions<\/p>\n

Mediawiki – Scribunto Extension | 1.39.X before 1.39.12
\nMediawiki – Scribunto Extension | 1.42.X before 1.42.7
\nMediawiki – Scribunto Extension | 1.43.X before 1.43.2<\/p>\n

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

The vulnerability lies within the access control mechanism of the Mediawiki<\/a> – Scribunto Extension. Due to insufficient constraints on authorization, an attacker can potentially access areas or functions of the system<\/a> that are meant to be restricted. This could allow the attacker to manipulate the system<\/a>, gain unauthorized information, or even potentially compromise the system.<\/p>\n

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

Here’s a conceptual example of how the vulnerability might be exploited:<\/p>\n

GET \/wiki\/Special:AllPages HTTP\/1.1\nHost: target.example.com\nAuthorization: Bearer \n{ \"malicious_payload\": \"...\" }<\/code><\/pre>\n
In this hypothetical scenario, an unauthorized user sends a request to access<\/a> a restricted page, “Special:AllPages. The malicious payload in the request might be crafted to exploit the improper access control<\/a> vulnerability, potentially granting the attacker unauthorized system access.
\nPlease note that this example is purely for illustrative purposes. The actual exploitation of this vulnerability would require a precise understanding of the system’s<\/a> configuration and specific weaknesses that can be exploited.<\/p>\n
Mitigation Guidance<\/strong><\/p>\n
The most effective solution to this vulnerability<\/a> is to apply the vendor-provided patch. Users of Mediawiki – Scribunto Extension should upgrade to versions 1.39.12, 1.42.7, or 1.43.2 (or later), depending on their current version. In the interim, employing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview Cybersecurity threats are a constant concern in the world of digital communications and database management. One such threat has recently been identified in the Wikimedia Foundation’s Mediawiki – Scribunto Extension, and it’s essential for users to be aware of this vulnerability and take the necessary steps to mitigate it. This security flaw, identified as […]<\/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-58922","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