CVE-2022-21830: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

April 3, 2022 (updated April 6, 2022)

A blind self XSS vulnerability exists in RocketChat LiveChat <v1.9 that could allow an attacker to trick a victim pasting malicious code in their chat instance.

References

github.com/RocketChat/Rocket.Chat.Livechat/pull/558
github.com/RocketChat/Rocket.Chat.Livechat/releases/tag/v1.9.0
github.com/advisories/GHSA-hf55-c445-2w97
hackerone.com/reports/1091118
nvd.nist.gov/vuln/detail/CVE-2022-21830

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