Medium severity6.1NVD Advisory· Published May 20, 2021· Updated Jun 17, 2026
CVE-2020-21054
CVE-2020-21054
Description
Cross Site Scripting (XSS) vulnerability in FusionPBX 4.5.7 allows remote malicious users to inject arbitrary web script or HTML via an unsanitized "f" variable in app\vars\vars_textarea.php.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- FusionPBX/FusionPBXdescription
Patches
Vulnerability mechanics
References
2- github.com/fusionpbx/fusionpbx/commit/2489004c7b7e0b14e21cd86cedaab87fed209415nvdPatchThird Party Advisory
- resp3ctblog.wordpress.com/2019/10/28/fusionpbx-xss-21/nvdThird Party Advisory
News mentions
0No linked articles in our index yet.