Vulnerability · Published Sep 23, 2022 · Assigned by hackerone

CVE-2022-35251

Medium 5.4

In plain English

A medium-severity cross-site scripting in Rocket.chat. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)0.6%top 49.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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 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.

Affected products (as reported)

Vendor	Product	Versions
n/a	Rocket.chat	Fixed in 5.0>

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References

https://hackerone.com/reports/1401268 x_refsource_MISC