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Description
Impact
Stored XSS vulnerability in svg and icon related components allow authenticated users with appropriate permissions to inject malicious JavaScript that executes when viewed by higher-privileged users.
Patches
This has been fixed in 5.73.11 and 6.4.0.
Basic information
Type
reviewed
Severity
high Advisory on GitHub
Open advisory ↗ Repository advisory
Open repository advisory ↗ Source code
Browse source ↗ Published (advisory)
2026-03-01 01:31:09 UTC
Updated
2026-03-01 01:31:09 UTC
GitHub reviewed
2026-03-01 01:31:09 UTC
NVD published
2026-02-27
EPSS Score
Score
Percentile
0.01%
1.36%
CVSS Scores
Base score
Version
Severity
Vector
8.7
3.1
—
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
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:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
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:N)
Service keeps running; no real outage angle.
CWEs
CWE id
Name
CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected packages (2)
Vulnerable version ranges and first patched releases as published by GitHub.
Ecosystem
Package
Vulnerable range
First patched
Vulnerable functions
composer
statamic/cms < 5.73.11
5.73.11
—
composer
statamic/cms >= 6.0.0-alpha.1, < 6.4.0
6.4.0
—
cvelogic
Threat Intelligence