What’s Vulnerable › Vulnerabilities

CVE-2023-4090: Cross-Site Scripting (XSS) vulnerability on WideStand CMS of Acilia

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-04 · updated 2026-06-17
• Weakness: CWE-79

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 products

• Acilia Widestand CMS: through 5.3.5

References

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

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