What’s Vulnerable › Vulnerabilities

CVE-2023-5556: Cross-site Scripting (XSS) - Reflected in structurizr/onpremises

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-10-12 · updated 2026-06-17
• Weakness: CWE-79

Description

Cross-site Scripting (XSS) - Reflected in GitHub repository structurizr/onpremises prior to 3194.

Affected products

• structurizr On-Premises Installation: before 3194 — fixed in 3194

How to fix

Upgrade to a fixed version: structurizr On-Premises Installation 3194. Check the vendor advisory for mitigations.

References

• https://github.com/structurizr/onpremises/commit/6cff4f792b010dfb1ff6a0b4ae1c6e398f8f8a18
• https://huntr.dev/bounties/a3ee0f98-6898-41ae-b1bd-242a03a73d1b
• https://github.com/structurizr/onpremises/commit/6cff4f792b010dfb1ff6a0b4ae1c6e398f8f8a18
• https://huntr.dev/bounties/a3ee0f98-6898-41ae-b1bd-242a03a73d1b

Get alerted when CVE-2023-5556 or the next vulnerability affects your stack