In BookStack before version 0.30.4, a user with permissions to edit a page could add an attached link which would execute untrusted JavaScript code when clicked by a viewer of the page. Dangerous content may remain in the database after this update. If you think this could have been exploited the linked advisory provides a SQL query to test. As a workaround, page edit permissions could be limited to only those that are trusted until you can upgrade although this will not address existing exploitation of this vulnerability. The issue is fixed in version 0.30.4.
                
            References
                    | Link | Resource | 
|---|---|
| https://bookstackapp.com/blog/beta-release-v0-30-4/ | Exploit Patch Vendor Advisory | 
| https://github.com/BookStackApp/BookStack/commit/349162ea139556b2d25e09e155cec84e21cc9227 | Patch Third Party Advisory | 
| https://github.com/BookStackApp/BookStack/releases/tag/v0.30.4 | Third Party Advisory | 
| https://github.com/BookStackApp/BookStack/security/advisories/GHSA-7p2j-4h6p-cq3h | Exploit Third Party Advisory | 
| https://bookstackapp.com/blog/beta-release-v0-30-4/ | Exploit Patch Vendor Advisory | 
| https://github.com/BookStackApp/BookStack/commit/349162ea139556b2d25e09e155cec84e21cc9227 | Patch Third Party Advisory | 
| https://github.com/BookStackApp/BookStack/releases/tag/v0.30.4 | Third Party Advisory | 
| https://github.com/BookStackApp/BookStack/security/advisories/GHSA-7p2j-4h6p-cq3h | Exploit Third Party Advisory | 
Configurations
                    History
                    21 Nov 2024, 05:19
| Type | Values Removed | Values Added | 
|---|---|---|
| CVSS | v2 : v3 : | v2 : 3.5 v3 : 7.7 | 
| References | () https://bookstackapp.com/blog/beta-release-v0-30-4/ - Exploit, Patch, Vendor Advisory | |
| References | () https://github.com/BookStackApp/BookStack/commit/349162ea139556b2d25e09e155cec84e21cc9227 - Patch, Third Party Advisory | |
| References | () https://github.com/BookStackApp/BookStack/releases/tag/v0.30.4 - Third Party Advisory | |
| References | () https://github.com/BookStackApp/BookStack/security/advisories/GHSA-7p2j-4h6p-cq3h - Exploit, Third Party Advisory | 
Information
                Published : 2020-11-03 19:15
Updated : 2024-11-21 05:19
NVD link : CVE-2020-26210
Mitre link : CVE-2020-26210
CVE.ORG link : CVE-2020-26210
JSON object : View
Products Affected
                bookstackapp
- bookstack
CWE
                
                    
                        
                        CWE-79
                        
            Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
