Detections
Analytics

SCA: security update for @sveltia/cms (GHSA-h5jc-78hr-3pc9)

high Tenable Self-Hosted Container Security Plugin ID 443657

Description

Sveltia CMS: Stored XSS in Markdown/RichText preview via unsandboxed same-origin iframe

Solution

Update the @sveltia/cms library and its related packages to version 0.167.3 or later.

See Also

https://github.com/advisories/GHSA-h5jc-78hr-3pc9

Plugin Details

Severity: High

ID: 443657

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 6/20/2026

Updated: 6/20/2026

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/19/2026

Vulnerability Publication Date: 6/19/2026

Reference Information

cwe: CWE-79