CVE-2020-8291 - A link preview rendering issue in Rocket.Chat versions before 3.9 could lead to potential XSS attacks

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MEDIUM

A link preview rendering issue in Rocket.Chat versions before 3.9 could lead to potential XSS attacks

Published Oct 18, 2021

6.1

MEDIUM

CVSS 3.1

EPSS 0.63%

Description

A link preview rendering issue in Rocket.Chat versions before 3.9 could lead to potential XSS attacks.

Affected products

Vendor n/a Product Rocket.Chat server Default
n/a
- Version
  Fixed versions: 3.10, 3.9.4, 3.8.5
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

n/a

Rocket.Chat server

n/a

Version	Status	Constraints
Fixed versions: 3.10, 3.9.4, 3.8.5	affected	-

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-79

Cross-site Scripting (XSS)

References (2)

https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-29159
Advisory
https://github.com/RocketChat/Rocket.Chat/pull/19854
x_refsource_MISCPatchThird Party Advisory

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-29159		Advisory
https://github.com/RocketChat/Rocket.Chat/pull/19854		x_refsource_MISCPatchThird Party Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner hackerone

Published Oct 18, 2021

Updated Aug 4, 2024

Reserved Jan 28, 2020

Link CVE-2020-8291

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2020-8291

Red Hat

Severity n/a

Public date n/a

Links CVE-2020-8291

ENISA EUVD

Assigner hackerone

Published Oct 18, 2021

Updated Aug 4, 2024

Exploited since n/a

Link EUVD-2020-29159

EUVD-2020-29159