What’s Vulnerable › Vulnerabilities

CVE-2022-0877: Cross-site Scripting (XSS) - Stored in bookstackapp/bookstack

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-03-08 · updated 2026-06-17
• Weakness: CWE-79

Description

Cross-site Scripting (XSS) - Stored in GitHub repository bookstackapp/bookstack prior to v22.02.3.

Affected products

• bookstackapp/bookstack: before 22.02.3 — fixed in 22.02.3

How to fix

Upgrade to a fixed version: bookstackapp/bookstack 22.02.3. Check the vendor advisory for mitigations.

References

• https://github.com/bookstackapp/bookstack/commit/856fca8289b7370cafa033ea21c408e7d4303fd6
• https://huntr.dev/bounties/b04df4e3-ae5a-4dc6-81ec-496248b15f3c
• https://github.com/bookstackapp/bookstack/commit/856fca8289b7370cafa033ea21c408e7d4303fd6
• https://huntr.dev/bounties/b04df4e3-ae5a-4dc6-81ec-496248b15f3c

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