CVE-2023-43338

9.8 criticalEPSS 1.0%

Critical (9.8) in cesanta mjs. EPSS 1.0% chance of exploitation in the next 30 days.

Cesanta mjs v2.20.0 was discovered to contain a function pointer hijacking vulnerability via the function mjs_get_ptr(). This vulnerability allows attackers to execute arbitrary code via a crafted input.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 62% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2023-09-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

cesanta:mjs

References

https://github.com/cesanta/mjs/issues/250
https://github.com/cesanta/mjs/issues/250

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