Detections
Analytics

SCA: security update for getkirby/cms (GHSA-rhj6-r49h-5932)

high Tenable Cloud Security Plugin ID 443555

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites using the writer
 field in any blueprint allowed a scripting link to be included as the target of a link or email link in
 writer mark components, making the target clickable by the user who entered it and enabling self cross-
 site scripting in the Panel. This issue is fixed in versions 4.9.4 and 5.4.4. (CVE-2026-49276)

Solution

Update the getkirby/cms library and its related packages to version 4.9.4 or later.

See Also

https://github.com/advisories/GHSA-rhj6-r49h-5932

Plugin Details

Severity: High

ID: 443555

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 6/19/2026

Updated: 7/10/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.48

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2026-49276

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 7.4

Threat Score: 4.5

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/18/2026

Vulnerability Publication Date: 6/18/2026

Reference Information

CVE: CVE-2026-49276

cwe: CWE-83