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CVE-2016-10547

19
FAUCET Score

CVE-2016-10547 is a cross-site scripting (XSS) vulnerability affecting Nunjucks templating engine versions 2.4.2 and lower, specifically when operating in autoescape mode. An attacker can bypass autoescaping by manipulating template variable keys as arrays, allowing injection of malicious content into the DOM. With a CVSS score of 6.1 (MEDIUM), this vulnerability requires user interaction and can lead to low impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.4.2CPE matchmatch criteria
cpe:2.3:a:mozilla:nunjucks:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
1.44%
Probability of exploitation in next 30 days
EPSS Percentile
70.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0144 is in the 83rd percentile among its peer group of 26,221 CVEs.

Social Chatter

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 (1)

npmpatch availablevia ghsa
Product: nunjucksFixed in: 2.4.3

Vendor Advisories (1)

npmGHSA-f7ph-p5rv-phw2medium

Cross-Site Scripting in nunjucks

Nov 6, 2018

References

github.com / matt-/nunjucks_test
ExploitThird Party Advisory
github.com / mozilla/nunjucks/issues/835
ExploitThird Party Advisory
nodesecurity.io / advisories/147
ExploitThird Party Advisory