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CVE-2021-32857

Cockpit vulnerable to Cross-site Scripting

MEDIUM
6.1
CVSS Score
Published: February 20, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 03:53 AM UTC
2 products affected across 2 vendorsCockpitMicroweber

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.7%
SSVC
PoC

Description

Cockpit is a content management system that allows addition of content management functionality to any site. In versions 0.12.2 and prior, bad HTML sanitization in `htmleditor.js` may lead to cross-site scripting (XSS) issues. There are no known patches for this issue.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (3)

PatchThird Party Advisory
Source: [email protected]
https://github.com/agentejo/cockpit/blob/f7cd602bcc6134657ccfeb4e400b0050943dd243/assets/lib/uikit/js/components/htmleditor.js
PatchThird Party Advisory
Source: [email protected]
https://github.com/agentejo/cockpit/commit/0c6628cbff3e49bc317c97b03a4666b3a75f76cc
ExploitThird Party Advisory
Source: [email protected]
https://securitylab.github.com/advisories/GHSL-2021-1035_Cockpit_Next/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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