CVE-2020-21054

CVE-2020-21054

EPSS 0.7%

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.

Affected products

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References

https://github.com/fusionpbx/fusionpbx/commit/2489004c7b7e0b14e21cd86cedaab87fed209415 https://resp3ctblog.wordpress.com/2019/10/28/fusionpbx-xss-21/