CVE-2021-3944

Cross-Site Request Forgery (CSRF) in bookstackapp/bookstack

View on CVE.org

Published Dec 2, 2021 CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed

Description

bookstack is vulnerable to Cross-Site Request Forgery (CSRF)

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

bookstackapp

bookstackapp/bookstack

affected

Version	Status	Constraints
`unspecified`	affected	< 21.11

Configuration 1 [-]

cpe:2.3:a:bookstackapp:bookstack:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-2601	bookstack is vulnerable to Cross-Site Request Forgery (CSRF)
Github GHSA	GHSA-wc7v-77jr-5c3m	bookstack is vulnerable to Cross-Site Request Forgery (CSRF)

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction Required

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction Required

Access Vector Network

Access Complexity High

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.641% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/bookstackapp/bookstack/commit/88e6f93abf54192a69cc8080e0dc6516ee68ccbb
https://huntr.dev/bounties/65551490-5ade-49aa-8b8d-274c2ca9fdc9

History

Jul 11, 2025 1:45 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00032}`	epss `{'score': 0.00092}`

Subscriptions

Bookstackapp Bookstack

Weaknesses

CWE-352

Sources

CVE record Updated: Aug 3, 2024, 5:09 PM

Status: PUBLISHED
Assigner: @huntrdev
Published: Dec 2, 2021, 4:40 PM
Updated: Aug 3, 2024, 5:09 PM
Reserved: Nov 10, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:06 AM

Status: Modified
Published: Dec 2, 2021, 5:15 PM
Modified: Jun 17, 2026, 4:06 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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