CVSS 3.1 Score 6.4 of 10 (medium)


Published May 30, 2024


CVE-2024-5521 is a vulnerability that affects Alkacon's OpenCMS version 16. It involves two Cross-Site Scripting (XSS) vulnerabilities, which allow users with the roles of gallery editor or VFS resource manager to upload images in the .svg format containing JavaScript code. When another user accesses the image, the code is executed. The vulnerability has a base severity of MEDIUM and a base score of 6.4 according to CVSS v3.1. The exploitability score is 3.1, and the privileges required for exploitation are low. The impact on integrity and confidentiality is low, and there is no impact on availability. The vulnerability has been categorized as CWE-79, which refers to improper neutralization of input during web page generation (Cross-site Scripting).

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