CVE-2008-1048 in Plume
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in manager/xmedia.php in Plume CMS 1.2.2 allows remote attackers to inject arbitrary web script or HTML via the dir parameter.
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Analysis
by VulDB Data Team • 09/19/2018
The CVE-2008-1048 vulnerability represents a classic cross-site scripting flaw in the Plume CMS 1.2.2 content management system, specifically within the manager/xmedia.php component. This vulnerability exposes the system to remote code execution through malicious web script injection, making it a significant security concern for web applications. The flaw occurs when the application fails to properly sanitize user input passed through the dir parameter, allowing attackers to inject arbitrary HTML or JavaScript code that executes in the context of other users' browsers. The vulnerability is classified as a client-side attack vector that undermines the fundamental security principles of web application integrity and user data protection.
The technical nature of this vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws in web applications. The flaw manifests when the application processes the dir parameter without adequate input validation or output encoding, creating an environment where malicious payloads can be stored and subsequently executed. Attackers can exploit this weakness by crafting malicious URLs containing script tags or other HTML elements that get rendered in the victim's browser when they access the affected page. This type of vulnerability is particularly dangerous because it can be leveraged to steal session cookies, perform unauthorized actions on behalf of users, or redirect victims to malicious sites.
The operational impact of CVE-2008-1048 extends beyond simple data theft, potentially enabling complete compromise of user sessions and unauthorized access to administrative functions within the Plume CMS environment. When attackers successfully exploit this vulnerability, they can manipulate the content management interface to inject persistent scripts that execute whenever legitimate users access the media management section. This creates a persistent threat vector that can be used to maintain access to compromised systems over time, as well as to spread malicious content to other users within the same CMS environment. The vulnerability also aligns with ATT&CK technique T1566, which covers social engineering attacks through malicious content injection, and T1059, which involves executing malicious code through script injection methods.
Mitigation strategies for this vulnerability should include immediate input validation and output encoding of all user-supplied data, particularly parameters used in dynamic content generation. The recommended approach involves implementing strict parameter validation that rejects or sanitizes any input containing potentially dangerous characters or script tags. Organizations should also deploy proper content security policies that restrict script execution and implement proper HTTP headers to prevent XSS attacks. Additionally, the CMS should be updated to a patched version that addresses this specific vulnerability, as Plume CMS 1.2.2 is an outdated version that likely contains multiple unpatched security flaws. Regular security assessments and web application firewalls should be deployed to monitor for similar injection attacks, while user input should be properly escaped before being rendered in HTML contexts. The vulnerability serves as a reminder of the critical importance of input validation and output encoding in preventing client-side attacks, and the necessity of maintaining up-to-date software versions to protect against known security flaws.