CVE-2016-5394

mediumpriority · track · 35EPSS 0.026 · 85 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · PoC

Likely / severe?

2.60% (85th) EPSS

CVSS 4.3 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

In the XSS Protection API module before 1.0.12 in Apache Sling, the encoding done by the XSSAPI.encodeForJSString() method is not restrictive enough and for some input patterns allows script tags to pass through unencoded, leading to potential XSS vulnerabilities.

cvss

Technical severity, 0–10. One row per scoring source.

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV

v3.15.8mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

exploits (2)

Public proof-of-concept and weaponised exploit code.

epicosy/VUL4J-23apache/sling with CVE-2016-5394PoC · poc_in_github
shoucheng3/apache__sling-org-apache-sling-xss_CVE-2016-5394_1-0-8shoucheng3/apache__sling-org-apache-sling-xss_CVE-2016-5394_1-0-8PoC · poc_in_github

affected products (4)

Products and version ranges known to be affected.

Apache Software Foundation Apache Sling≤ prior to 1.0.12enisa_euvdEU
apache sling< 1.0.12nvdUScpe:2.3:a:apache:sling:*:*:*:*:*:*:*:*
Maven org.apache.sling:org.apache.sling.xss< 1.0.12osvUSpkg:maven/org.apache.sling/org.apache.sling.xss
Maven org.apache.sling:org.apache.sling.xss.compat< 1.1.0osvUSpkg:maven/org.apache.sling/org.apache.sling.xss.compat

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-xwf4-88xr-hx2jCross site scripting in Apache Sling2022-05-13ghsa · osvUS
In the XSS Protection API module before 1.0.12 in Apache Sling, the encoding done by the XSSAPI.encodeForJSString() method is not restrictive enough and for some input patterns allows script tags to pass through unencoded, leading to potential XSS vulnerabilities.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2017-07-19modified 2026-06-17

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+53058 more

references (6)

External citations — patches, advisories, analysis.

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