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Description
Cross-site Scripting (XSS) - Stored in GitHub repository cockpit-hq/cockpit version 2.6.3 and prior. A patch is available at commit 36d1d4d256cbbab028342ba10cc493e5c119172c and anticipated to be part of version 2.6.4.
Basic information
Type
reviewed
Severity
high Advisory on GitHub
Open advisory ↗ Repository advisory
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Source code
Browse source ↗ Published (advisory)
2023-08-19 03:32:19 UTC
Updated
2023-11-08 05:03:38 UTC
GitHub reviewed
2023-08-21 20:18:07 UTC
NVD published
2023-08-18
EPSS Score
Score
Percentile
0.20%
42.35%
CVSS Scores
Base score
Version
Severity
Vector
8.3
3.0
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CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
CWEs
CWE id
Name
CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected packages (1)
Vulnerable version ranges and first patched releases as published by GitHub.
Ecosystem
Package
Vulnerable range
First patched
Vulnerable functions
composer
cockpit-hq/cockpit <= 2.6.3
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cvelogic
Threat Intelligence