CVE-2024-45435: chartist · Prototype Pollution
Affects chartistSource CVE Database V5
Not known to be exploited · CVSS 9.8 Critical.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 49% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 29 Aug 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
npmchartistpkg:npm/chartistOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
- Monitor the official Chartist repository and security advisories for patches addressing CVE-2024-45435 and apply updates immediately upon release.
- Until patches are available, implement strict input validation and sanitization to prevent untrusted data from reaching the extend function or similar prototype-modifying code paths.
- Use JavaScript security libraries or frameworks that provide protections against prototype pollution.
- Employ Content Security Policy (CSP) headers to reduce the risk of injected script execution.
- Conduct code audits focusing on object extension and prototype manipulation patterns within the application.
- Isolate or sandbox components that use Chartist to limit the blast radius of potential exploitation.
- Monitor application logs and network traffic for unusual behavior indicative of prototype pollution attacks.
- Educate development teams about prototype pollution risks and secure coding practices related to object manipulation in JavaScript.
Description
Chartist 1.x through 1.3.0 allows Prototype Pollution via the extend function.