| Package | Affected versions | Patched versions |
|---|---|---|
| payload | = 4.0.0< 3.90.0 | 3.90.0 |
| payload | ≥ 4.0.0-canary.0, < 4.0.0-canary.34< 3.90.0 | 4.0.0-canary.343.90.0 |
A malicious SVG file upload could bypass sanitization, be stored, and execute attacker-controlled JavaScript (XSS) after a user downloads it and opens it.
You are affected if:
The fix validates SVG content on every upload path and hardens SVG/XML delivery so stored SVGs cannot frame attacker content.
Users should upgrade Payload packages to >= 3.90.0 or >= 4.0.0-canary.34.
Disallow SVG uploads, or serve uploaded SVGs as downloads with Content-Disposition: attachment and a strict CSP. These mitigations reduce exposure but do not replace upgrading when the patched release is available.
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