Detections
Analytics
SCA: security update for ssddanbrown/bookstack (GHSA-g9rq-x4fj-f5hx)
high Tenable Cloud Security Plugin ID 422578
Description
There are packages installed that are affected by a vulnerability referenced in the following CVE:- BookStack before version 0.25.5 has a vulnerability where a user could upload PHP files through image
upload functions, which would allow them to execute code on the host system remotely. They would then have
the permissions of the PHP process. This most impacts scenarios where non-trusted users are given
permission to upload images in any area of the application. The issue was addressed in a series of patches
in versions 0.25.3, 0.25.4 and 0.25.5. Users should upgrade to at least v0.25.5 to avoid this
vulnerability. (CVE-2020-5256)
See Also
Plugin Details
Severity: High
ID: 422578
Version: Revision 1.6
Type: Local
Family: SCA Checks
Published: 3/28/2025
Updated: 7/2/2026
Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security
Risk Information
VPR
Risk Factor: Medium
Score: 4.9
Percentile: 57.12
Vendor
Vendor Severity: High
CVSS v2
Risk Factor: High
Base Score: 9
Temporal Score: 6.7
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C
CVSS Score Source: CVE-2020-5256
CVSS v3
Risk Factor: High
Base Score: 8.8
Temporal Score: 7.7
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
Exploit Ease: No known exploits are available
Patch Publication Date: 3/13/2020
Vulnerability Publication Date: 3/9/2020
Reference Information
CVE: CVE-2020-5256
cwe: CWE-95