Medium severity5.7NVD Advisory· Published Nov 13, 2021· Updated Jun 17, 2026
CVE-2021-3915
CVE-2021-3915
Description
bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
ssddanbrown/bookstackPackagist | < 21.0.3 | 21.0.3 |
Affected products
3- Range: unspecified
Patches
Vulnerability mechanics
References
4- github.com/bookstackapp/bookstack/commit/ae155d67454d6b9f6c93b2bb457aaa4b2eb1a9ednvdPatchThird Party AdvisoryWEB
- huntr.dev/bounties/fcb65f2d-257a-46f4-bac9-f6ded5649079nvdExploitPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-w2f4-hxpm-mq98ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-3915ghsaADVISORY
News mentions
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