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CVE-2020-26260

MEDIUM
Published 2020-12-09T16:20:14
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Expert Analysis

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CVSS Score

V3.1
6.4
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.003
probability
of exploitation in the wild

There is a 0.3% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.534
Higher than 53.4% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
LOW
Integrity
LOW
Availability
NONE

Description

BookStack is a platform for storing and organising information and documentation. In BookStack before version 0.30.5, a user with permissions to edit a page could set certain image URL's to manipulate functionality in the exporting system, which would allow them to make server side requests and/or have access to a wider scope of files within the BookStack file storage locations. The issue was addressed in BookStack v0.30.5. As a workaround, page edit permissions could be limited to only those that are trusted until you can upgrade.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

BookStackApp

BookStack

Affected Versions:

>= v0.7, < v0.30.5

References

https://github.com/BookStackApp/BookStack/security/advisories/GHSA-8wfc-w2r5-x7cr
https://bookstackapp.com/blog/beta-release-v0-30-5/
https://github.com/BookStackApp/BookStack/releases/tag/v0.30.5
Published: 2020-12-09T16:20:14
Last Modified: 2024-08-04T15:56:04.938Z
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