{"id":59696,"date":"2025-07-28T03:37:56","date_gmt":"2025-07-28T03:37:56","guid":{"rendered":""},"modified":"2025-10-22T19:05:05","modified_gmt":"2025-10-23T01:05:05","slug":"cve-2025-52362-critical-server-side-request-forgery-vulnerability-in-phproxy","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-52362-critical-server-side-request-forgery-vulnerability-in-phproxy\/","title":{"rendered":"CVE-2025-52362: Critical Server-Side Request Forgery Vulnerability in PHProxy<\/strong>"},"content":{"rendered":"

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

The cybersecurity landscape is continually evolving, with new vulnerabilities being identified and exploited by malicious actors. One such vulnerability, CVE-2025-52362, poses a significant threat to systems running PHProxy version 1.1.1 and prior. This Server-Side Request Forgery (SSRF) vulnerability exists in the URL<\/a> processing functionality of PHProxy. If exploited, this vulnerability can potentially compromise the system or lead<\/a> to data leakage.
\nThis vulnerability is particularly concerning due to its impact on entities<\/a> using PHProxy, a popular proxy application used in many web environments. An unauthenticated, remote attacker could exploit this flaw, bypassing the input validation for the _proxurl parameter<\/a>, thereby creating a potential security breach.<\/p>\n

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

CVE ID: CVE-2025-52362
\nSeverity: Critical (9.1 CVSS Severity Score)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Potential system<\/a> compromise or data leakage<\/p>\n

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

Product | Affected Versions<\/p>\n

PHProxy | 1.1.1 and prior<\/p>\n

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

The vulnerability lies in the URL processing<\/a> functionality of PHProxy where the input validation for the _proxurl parameter can be bypassed. An attacker can exploit<\/a> this by submitting a specially crafted URL. This action can trigger a Server-Side Request Forgery<\/a> (SSRF) attack, enabling the attacker to force the server to make arbitrary requests on their behalf. This could lead to unauthorized<\/a> actions, depending on the permissions of the application, potentially compromising the system or leading to data leakage.<\/p>\n

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

Consider this conceptual example of how an attacker might exploit this vulnerability using a malicious HTTP request:<\/a><\/p>\n

GET \/phproxy\/proxy.php?_proxurl=http:\/\/malicious.example.com HTTP\/1.1\nHost: target.example.com\nUser-Agent: attacker\/1.0<\/code><\/pre>\n
In this example, the attacker manipulates the _proxurl parameter to send a request to a malicious server, thereby exploiting the SSRF vulnerability<\/a>. This could potentially lead to unauthorized actions or data<\/a> leakage.<\/p>\n
Mitigation and Prevention<\/strong><\/p>\n
The best way to mitigate this vulnerability is to apply the patch provided by the vendor. If the patch cannot be applied immediately, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as temporary mitigation. These tools can help detect and block malicious requests that attempt to exploit this vulnerability<\/a>. Regularly updating and patching your systems is also essential for maintaining a secure<\/a> environment.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The cybersecurity landscape is continually evolving, with new vulnerabilities being identified and exploited by malicious actors. One such vulnerability, CVE-2025-52362, poses a significant threat to systems running PHProxy version 1.1.1 and prior. This Server-Side Request Forgery (SSRF) vulnerability exists in the URL processing functionality of PHProxy. If exploited, this vulnerability can potentially compromise 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":[101],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-59696","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-ssrf"],"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