Description
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.
Published: 2020-11-03
Score: 7.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2020-18835 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.
History

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Subscriptions

Bookstackapp Bookstack
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2024-08-04T15:49:07.224Z

Reserved: 2020-10-01T00:00:00.000Z

Link: CVE-2020-26210

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-11-03T19:15:13.157

Modified: 2024-11-21T05:19:31.920

Link: CVE-2020-26210

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses