CVE-2017-15717

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.19% Top 25%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Sling
Published at:
Updated at:

References

Link Tags
https://s.apache.org/CVE-2017-15717 mailing list vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-15717?
CVE-2017-15717 has been scored as a medium severity vulnerability.
How to fix CVE-2017-15717?
To fix CVE-2017-15717, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-15717 being actively exploited in the wild?
It is possible that CVE-2017-15717 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-15717?
CVE-2017-15717 affects Apache Software Foundation Apache Sling.
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