TI-2023-03786 Aliases CVE-2023-4090 GHSA-6vxv-fw7p-f2ph

Cross-Site Scripting (XSS) vulnerability on WideStand CMS of Acilia

LOW 27CWE-79Published 2023-10-04 · Updated 2024-09-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Cross-site Scripting (XSS) reflected vulnerability on WideStand until 5.3.5 version, which generates one of the meta tags directly using the content of the queried URL, which would allow an attacker to inject HTML/Javascript code into the response.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00353 29th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
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
Acilia	Widestand CMS	up to 5.3.5	—	No fix listed	CNA

Widestand CMS VendorAcilia Affected up to 5.3.5 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:acilia:widestand::::::::	up to 5.3.5	Vulnerable	Acilia

cpe:2.3:a:acilia:widestand:*:*:*:*:*:*:*:* Versions up to 5.3.5 Vulnerable ·Acilia

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-4090
2026-10-03 Alias added: GHSA-6vxv-fw7p-f2ph

References

Advisory 1

https://www.incibe.es/en/incibe-cert/notices/aviso/cross-site-scripting-xss-vulnerability-widestand-cms-acilia

Sources

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