Back
CVE-2020-8291
A link preview rendering issue in Rocket.Chat versions before 3.9 could lead to potential XSS attacks.
Medium6.1EPSS 0.63%
- Published
- Updated
- Reserved
- Assigned by
- hackerone
Description
A link preview rendering issue in Rocket.Chat versions before 3.9 could lead to potential XSS attacks.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.63% · top 50% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Weakness
Affected products
Rocket.Chat server
- affected Fixed versions: 3.10, 3.9.4, 3.8.5
References (1)
- https://github.com/RocketChat/Rocket.Chat/pull/19854 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-8291)Record last updated .