How severe is CVE-2016-1000240?

No CVSS score has been assigned to CVE-2016-1000240 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by CVE-2016-1000240?

CVE-2016-1000240 affects the following packages: c3 (npm). Ecosystems affected: npm.

How do I fix CVE-2016-1000240?

Update c3 to 0.4.11 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2016-1000240 is resolved across your whole dependency graph.

How do I detect CVE-2016-1000240 in my npm dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for c3. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

How do I mitigate CVE-2016-1000240 if there is no patch (or I can't update yet)?

If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

How does O3 Security protect against CVE-2016-1000240?

O3 pinpoints whether CVE-2016-1000240 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Is CVE-2016-1000240 actively exploited in the wild?

No public exploit code has been indexed for CVE-2016-1000240 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

When was CVE-2016-1000240 published, and has it been updated?

CVE-2016-1000240 was published on September 1, 2020 and was last updated on November 8, 2023. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

📦 npm

Not in CISA KEV

CVE-2016-1000240

Fix: c3js/c3#1675

CVE-2016-1000240 is a security vulnerability in c3. O3 Security confirms whether CVE-2016-1000240 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

Cross-Site Scripting in c3

Published

Sep 1, 2020

Updated

Nov 8, 2023

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Nov 8, 2023 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected

How broadly this vulnerability is actually deployed: weekly install volume shows current usage, and reverse-dependency count shows how many other packages break if it stays unpatched.

144other npm packages depend on this — each one inherits the vulnerability until it's patched upstream

c3npm

107Kdownloads / week

Description

Affected versions of c3 are vulnerable to cross-site scripting via improper sanitization of HTML in rendered tooltips.

Recommendation

Update to 0.4.11 or later.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
📦npm	`c3`	all versions	0.4.11

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for c3. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
Fix
Update c3 to 0.4.11 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2016-1000240 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 pinpoints whether CVE-2016-1000240 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to CVE-2016-1000240. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

Affected versions of `c3` are vulnerable to cross-site scripting via improper sanitization of HTML in rendered tooltips. ## Recommendation Update to 0.4.11 or later.

O3 Security · Impact-Aware SCA

Is CVE-2016-1000240 in your dependencies?

O3 detects CVE-2016-1000240 across npm dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

Scan my dependencies How O3 SCA works