CVE-2025-3965 in paicoding
Summary
by MITRE • 04/27/2025
A vulnerability has been found in itwanger paicoding 1.0.3 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file /article/app/post. The manipulation of the argument content leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
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Analysis
by VulDB Data Team • 04/27/2025
This vulnerability resides within the itwanger paicoding 1.0.3 application where improper input validation occurs in the /article/app/post functionality. The flaw manifests when the content argument is processed without adequate sanitization, creating a cross-site scripting vulnerability that allows malicious actors to inject arbitrary JavaScript code into the application's response. The vulnerability has been publicly disclosed and is actively exploitable, making it a significant security risk for any system utilizing this software version.
The technical implementation of this vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws in web applications. When users submit content through the affected endpoint, the application fails to properly escape or filter special characters that could be interpreted as HTML or JavaScript code. This allows attackers to craft malicious payloads that execute in the context of other users' browsers, potentially leading to session hijacking, credential theft, or data manipulation. The remote exploitation capability means attackers do not require local system access to carry out the attack, significantly expanding the attack surface.
The operational impact of this vulnerability extends beyond simple script execution as it creates persistent security risks for end users and administrators. An attacker could leverage this vulnerability to establish persistent access to user sessions, potentially gaining administrative privileges if the affected application lacks proper access controls. The vulnerability affects the core posting functionality of the application, making it a critical flaw that could compromise the entire application's security posture. Organizations using this software version face potential data breaches, user privacy violations, and regulatory compliance issues.
Mitigation strategies should include immediate patching of the affected software to version 1.0.4 or later where the vulnerability has been resolved. Until patching is complete, organizations should implement input validation at multiple layers including web application firewalls, application-level sanitization, and output encoding. The principle of least privilege should be enforced by ensuring that users cannot submit content that could be interpreted as executable code. Additionally, implementing content security policies and regular security audits can help detect and prevent exploitation attempts. This vulnerability demonstrates the critical importance of input validation in web applications and aligns with ATT&CK technique T1203 which covers exploitation for persistence through web application vulnerabilities. Organizations should also consider implementing automated vulnerability scanning tools to detect similar issues in other applications within their infrastructure.