TI-2023-16371 Aliases CVE-2023-33194 GHSA-3wxg-w96j-8hq9

CraftCMS stored XSS in Quick Post widget error message

MEDIUM 55CWE-80Published 2023-05-26 · Updated 2025-01-14

Key facts

Attack vector: Network
Privileges required: High
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-80.

Summary

Craft is a CMS for creating custom digital experiences on the web.The platform does not filter input and encode output in Quick Post validation error message, which can deliver an XSS payload. Old CVE fixed the XSS in label HTML but didn’t fix it when clicking save. This issue was patched in version 4.4.6.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00617 49th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed cms (craftcms): 4.4.6craftcms/cms (Packagist): 4.4.6, 3.8.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Craft CMS	cms	4.0.0-RC1 to before 4.4.6; 3.0.0 – 3.8.5	4.4.6	Patch available	CNA
—	craftcms/cms (Packagist)	4.0.0-RC1 to before 4.4.6	4.4.6	Patch available	GHSA-3wxg-w96j-8hq9
—	craftcms/cms (Packagist)	3.0.0 to before 3.8.6	3.8.6	Patch available	GHSA-3wxg-w96j-8hq9

cms VendorCraft CMS Affected 4.0.0-RC1 to before 4.4.6; 3.0.0 – 3.8.5 Fixed in 4.4.6 Patch available CNA
craftcms/cms (Packagist) Vendor— Affected 4.0.0-RC1 to before 4.4.6 Fixed in 4.4.6 Patch available GHSA-3wxg-w96j-8hq9
craftcms/cms (Packagist) Vendor— Affected 3.0.0 to before 3.8.6 Fixed in 3.8.6 Patch available GHSA-3wxg-w96j-8hq9

CPE configurations NVD · 5

CPE	Versions	Role	Vendor
cpe:2.3:a:craftcms:craft_cms::::::::	3.0.0 to before 3.8.6; 4.0.1 to before 4.4.6	Vulnerable	Craft CMS
cpe:2.3:a:craftercms:craftercms:4.0.0:-::::::	4.0.0	Vulnerable	Crafter Software
cpe:2.3:a:craftercms:craftercms:4.0.0:rc1::::::	4.0.0 rc1	Vulnerable	Crafter Software
cpe:2.3:a:craftercms:craftercms:4.0.0:rc2::::::	4.0.0 rc2	Vulnerable	Crafter Software
cpe:2.3:a:craftercms:craftercms:4.0.0:rc3::::::	4.0.0 rc3	Vulnerable	Crafter Software

cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:* Versions 3.0.0 to before 3.8.6; 4.0.1 to before 4.4.6 Vulnerable ·Craft CMS
cpe:2.3:a:craftercms:craftercms:4.0.0:-:*:*:*:*:*:* Versions 4.0.0 Vulnerable ·Crafter Software
cpe:2.3:a:craftercms:craftercms:4.0.0:rc1:*:*:*:*:*:* Versions 4.0.0 rc1 Vulnerable ·Crafter Software
cpe:2.3:a:craftercms:craftercms:4.0.0:rc2:*:*:*:*:*:* Versions 4.0.0 rc2 Vulnerable ·Crafter Software
cpe:2.3:a:craftercms:craftercms:4.0.0:rc3:*:*:*:*:*:* Versions 4.0.0 rc3 Vulnerable ·Crafter Software

Remediation

Fix · CNA cms (craftcms) Fixed in 4.4.6
Fix · GHSA-3wxg-w96j-8hq9 craftcms/cms (Packagist) Fixed in 4.4.6 Advisory →
Fix · GHSA-3wxg-w96j-8hq9 craftcms/cms (Packagist) Fixed in 3.8.6 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2023-33194
2026-10-03 Alias added: GHSA-3wxg-w96j-8hq9

References

Other 2

TI-2025-23503 Craft CMS Allows Remote Code Execution KEVCVSS 3.1CRITICAL 10.0
TI-2024-37138 RCE when PHP `register_argc_argv` config setting is enabled in craftcms/cms KEVCVSS 4.0CRITICAL 9.3
TI-2025-16994 Potential RCE with a compromised security key in craft/cms KEVCVSS 3.1HIGH 8.1
TI-2025-24595 Craft CMS stores user-provided content in session files KEVCVSS 4.0MEDIUM 6.9
TI-2023-22284 Craft CMS Remote Code Execution vulnerability CVSS 3.1CRITICAL 10.0
TI-2024-25171 Craft CMS up to v3.7.31 was discovered to contain a SQL injection vulnerability via the GraphQL API endpoint. CVSS 3.1CRITICAL 9.8

See all 96 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences