CVE-2022-35251
Published: 23 September 2022
Summary
CVE-2022-35251 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Rocket.Chat Rocket.Chat. Its CVSS base score is 5.4 (Medium).
Operationally, ranked in the top 49.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-38143
Vulnerability details
A cross-site scripting vulnerability exists in Rocket.chat <v5 due to style injection in the complete chat window, an adversary is able to manipulate not only the style of it, but will also be able to block functionality as well as…
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hijacking the content of targeted users. Hence the payloads are stored in messages, it is a persistent attack vector, which will trigger as soon as the message gets viewed.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.