High · published October 6, 2026
Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, a collection that allows downloadable SVG uploads can store a malicious SVG that bypasses sanitization and executes attacker-controlled JavaScript when a user downloads and opens the SVG. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.
| Product | Versions | Fixed in |
|---|---|---|
| payloadcms/payload | < 3.90.0 | 3.90.0 |
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| payloadcms/payload | all versions | — |
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| payloadcms/payload | all versions | — |
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| payloadcms/payload | all versions | — |
| payloadcms/payload | all versions | — |
| payloadcms/payload | all versions | — |
| payloadcms/payload | all versions | — |