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CVE-2016-5394

17
FAUCET Score

CVE-2016-5394 is a cross-site scripting (XSS) vulnerability affecting Apache Sling's XSS Protection API module prior to version 1.0.12. The XSSAPI.encodeForJSString() method fails to adequately encode certain input patterns, allowing script tags to bypass protection. This medium-severity vulnerability (CVSS 6.1) can be exploited remotely with low attack complexity, requiring user interaction, and could lead to limited confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.12CPE matchmatch criteria
cpe:2.3:a:apache:sling:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.60%
Probability of exploitation in next 30 days
EPSS Percentile
83.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0260 is in the 92nd percentile among its peer group of 26,209 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.apache.sling:org.apache.sling.xssFixed in: 1.0.12
mavenpatch availablevia ghsa
Product: org.apache.sling:org.apache.sling.xss.compatFixed in: 1.1.0

Vendor Advisories (1)

mavenGHSA-xwf4-88xr-hx2jmedium

Cross site scripting in Apache Sling

May 13, 2022

References

lists.apache.org / thread.html/332166037a54b97cf41e2b616aaed38439de94b19b204841478e4525%40%3Cdev.sling.apache.org%3E
securityfocus.com / bid/99870
Third Party AdvisoryVDB Entry