What’s Vulnerable › Vulnerabilities

CVE-2019-13608: Citrix StoreFront Server XML External Entity (XXE) Processing Vulnerability

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2021-11-03
• EPSS: 30.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-08-29 · updated 2026-06-17
• Weakness: CWE-611

Description

Citrix StoreFront Server before 1903, 7.15 LTSR before CU4 (3.12.4000), and 7.6 LTSR before CU8 (3.0.8000) allows XXE attacks.

Affected products

• Citrix StoreFront: from 1811 before 1903; before 3.12.4000; before 3.0.8000 — fixed in 1903, 3.12.4000, 3.0.8000

How to fix

Upgrade to a fixed version: Citrix StoreFront 1903, 3.12.4000, 3.0.8000. Check the vendor advisory for mitigations.

References

• https://support.citrix.com/article/CTX251988
• https://support.citrix.com/article/CTX251988
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-13608

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