{"id":59572,"date":"2025-07-22T22:40:59","date_gmt":"2025-07-22T22:40:59","guid":{"rendered":""},"modified":"2025-09-26T14:04:59","modified_gmt":"2025-09-26T20:04:59","slug":"cve-2025-28961-critical-deserialization-of-untrusted-data-vulnerability-in-md-yeasin-ul-haider-url-shortener","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-28961-critical-deserialization-of-untrusted-data-vulnerability-in-md-yeasin-ul-haider-url-shortener\/","title":{"rendered":"CVE-2025-28961: Critical Deserialization of Untrusted Data Vulnerability in Md Yeasin Ul Haider URL Shortener<\/strong>"},"content":{"rendered":"

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

CVE-2025-28961 is a high severity vulnerability that pertains to ‘deserialization of untrusted data’ in the Md Yeasin Ul Haider URL Shortener. This flaw, affecting versions up to and including 3.0.7, creates a potential pathway for object injection attacks. Such attacks can lead to a system’s<\/a> compromise or unintended data leakage, which can have severe consequences for the affected entities. It’s a critical issue because URL<\/a> Shorteners are extensively used across the internet for sharing links in a more manageable format, making a large number of users susceptible to potential threats.<\/p>\n

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

CVE ID: CVE-2025-28961
\nSeverity: Critical (9.8\/10)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: Required
\nImpact: System compromise or data leakage<\/a><\/p>\n

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

Product | Affected Versions<\/p>\n

Md Yeasin Ul Haider URL<\/a> Shortener | Up to and including 3.0.7<\/p>\n

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

The exploit works through the deserialization of untrusted data<\/a>. This means that an attacker sends serialized (or structured) data that is untrusted, and the vulnerable system<\/a> deserializes (or processes) it.
\nIn the case of the URL Shortener, an attacker could potentially inject malicious objects<\/a> into the serialized data, which the system then processes. Once the system processes this untrusted data, it can lead to harmful actions such as remote code execution<\/a> or data leakage.<\/p>\n

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

Below is a conceptual example of how this vulnerability could be exploited. This example demonstrates a hypothetical HTTP request<\/a> that an attacker might use to inject malicious objects into the system.<\/p>\n

POST \/shorten HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ \"long_url\": \"{serialized_malicious_object}\" }<\/code><\/pre>\n
In the above example, the attacker replaces the expected long_url value with a serialized malicious object. If the system is vulnerable<\/a>, it would deserialize this untrusted data and potentially execute the malicious code or leak data.<\/p>\n
Mitigation<\/strong><\/p>\n
The recommended mitigation is to apply the vendor patch as soon as it is available. In the interim, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can help in mitigating the vulnerability by detecting and blocking potential<\/a> attacks. Regularly monitoring system logs<\/a> and network traffic can also provide early detection of any abnormal activities.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview CVE-2025-28961 is a high severity vulnerability that pertains to ‘deserialization of untrusted data’ in the Md Yeasin Ul Haider URL Shortener. This flaw, affecting versions up to and including 3.0.7, creates a potential pathway for object injection attacks. Such attacks can lead to a system’s compromise or unintended data leakage, which can have severe […]<\/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":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-59572","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"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