What’s Vulnerable › Vulnerabilities

CVE-2017-15717

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-01-10 · updated 2026-06-17
• Weakness: CWE-79

Description

A flaw in the way URLs are escaped and encoded in the org.apache.sling.xss.impl.XSSAPIImpl#getValidHref and org.apache.sling.xss.impl.XSSFilterImpl#isValidHref allows special crafted URLs to pass as valid, although they carry XSS payloads. The affected versions are Apache Sling XSS Protection API 1.0.4 to 1.0.18, Apache Sling XSS Protection API Compat 1.1.0 and Apache Sling XSS Protection API 2.0.0.

Affected products

• Apache Software Foundation Apache Sling XSS: from 1.0.4 (excl.) through 1.0.18; 2.0.0
• Apache Sling Xss Protection Api Compat: 1.1.0

References

• https://s.apache.org/CVE-2017-15717
• https://s.apache.org/CVE-2017-15717

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