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CVE-2023-4090

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

MEDIUM
6.1
CVSS Score
Published: October 4, 2023 at 11:02 AM UTC
Updated: June 17, 2026 at 06:37 AM UTC
1 product affected across 1 vendorWidestand

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Widestand· Acilia
95%
v ≤ 5.3.5

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Third Party Advisory
Source: [email protected]
https://www.incibe.es/en/incibe-cert/notices/aviso/cross-site-scripting-xss-vulnerability-widestand-cms-acilia

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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