CVE-2020-20696
PHP vulnerability analysis and mitigation

Overview

A cross-site scripting (XSS) vulnerability was discovered in GilaCMS version 1.11.4, specifically affecting the /admin/content/post path. The vulnerability was assigned CVE-2020-20696 and was disclosed in 2020. The issue affects the Tags field functionality in the content management system (NVD, CVE).

Technical details

The vulnerability is classified as a Cross-Site Scripting (XSS) issue (CWE-79) that allows attackers to execute arbitrary web scripts or HTML via a crafted payload specifically in the Tags field of the post creation interface. The CVSS v3.1 base score is 5.4 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. Under CVSS v2.0, it received a base score of 3.5 (LOW) (NVD).

Impact

When successfully exploited, this vulnerability allows attackers to inject and execute malicious web scripts or HTML code through the Tags field. This could potentially lead to theft of sensitive browser data, session hijacking, or other client-side attacks against users who view the compromised content (NVD).

Mitigation and workarounds

The vulnerability was reported through GitHub Issues and affects GilaCMS version 1.11.4. Users should upgrade to a patched version of the software if available. In the absence of a patch, implementing proper input validation and output encoding for the Tags field can help mitigate the risk (GitHub Issue).

Additional resources


SourceThis report was generated using AI

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