XSS in HEEx class attributes
Priority LOW 38CWE-79Published · Updated
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
- —
- Attack complexity
- —
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- —
- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub. Impact type from CWE-79.
Summary
The `class` attribute was not protected against XSS attacks when using HEEx.
Why it matters now
Fix Fixed phoenix_html (Hex): 3.0.4
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | phoenix_html (Hex) | before 3.0.4 | 3.0.4 | Patch available | GHSA-j3gg-r6gp-95q2 |
- phoenix_html (Hex) Vendor— Affected before 3.0.4 Fixed in 3.0.4 Patch available GHSA-j3gg-r6gp-95q2
Remediation
- Fix · GHSA-j3gg-r6gp-95q2 phoenix_html (Hex) Fixed in 3.0.4 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-j3gg-r6gp-95q2
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences