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CVE-2021-21283 PHP MEDIUM PATCH This Month

Flarum is an open source discussion platform for websites. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

XSS Sticky
NVD GitHub
CVSS 3.1
5.4
EPSS
0.8%
EPSS 1% CVSS 5.4
MEDIUM PATCH This Month

Flarum is an open source discussion platform for websites. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

XSS Sticky
NVD GitHub

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