CVE-2020-26211
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
Bookstack Cross-site Scripting vulnerability
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | ssddanbrown/bookstack | <0.30.4 | 0.30.4 |
References
- https://github.com/BookStackApp/BookStack/security/advisories/GHSA-r2cf-8778-3jgp
- https://nvd.nist.gov/vuln/detail/CVE-2020-26211
- https://github.com/BookStackApp/BookStack/commit/bbd1384acbe7e52c21f89af69f2dc391c95dbf54
- https://github.com/BookStackApp/BookStack
- https://github.com/BookStackApp/BookStack/releases/tag/v0.30.4
- https://www.bookstackapp.com/blog/beta-release-v0-30-4
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.