CVE-2016-6798

Published: Jul 19, 2017Updated: May 13, 2026 Sources: CVE List NVD GHSACWE-611

9.8CRITICAL

NVD MITRE

Description

In the XSS Protection API module before 1.0.12 in Apache Sling, the method XSS.getValidXML() uses an insecure SAX parser to validate the input string, which allows for XXE attacks in all scripts which use this method to validate user input, potentially allowing an attacker to read sensitive data on the filesystem, perform same-site-request-forgery (SSRF), port-scanning behind the firewall or DoS the application.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-611

Affected Products

Maven

package-ecosystem

org.apache.sling:org.apache.sling.xss

OSS Libraries

org.apache.sling:org.apache.sling.xss.compat

OSS Libraries

apache

oss-project·USaka apache http server, apache httpd

slingOn-premLibrary

OSS Libraries / generic-library

Apache Software Foundation

oss-project·USaka apache foundation

Apache SlingOn-premWeb App

Web & CMS Plugins / cms-core

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Collection

Initial Access

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References

http://www.securityfocus.com/bid/99873

securityfocus.com

https://lists.apache.org/thread.html/b72c3a511592ec70729b3ec2d29302b6ce87bbeab62d4745617a6bd0%40%3Cdev.sling.apache.org%3E

lists.apache.org

https://nvd.nist.gov/vuln/detail/CVE-2016-6798

nvd.nist.gov

and 3 more references View all →

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