Maker.js has Unsafe Property Copying in makerjs.extendObject

Description

The makerjs.extendObject function copies properties from source objects without proper validation, potentially exposing applications to security risks. The function lacks hasOwnProperty() checks and does not filter dangerous keys, allowing inherited properties and potentially malicious properties to be copied to target objects.

Recommendation

Update the makerjs package to the latest compatible version. Followings are version details:

• Affected version(s): <= 0.19.1
• Patched version(s): 0.19.2

References

• GHSA-2cp6-34r9-54xx
• CVE-2026-24888
• CWE-1321
• CAPEC-310
• OWASP 2021-A6

Related Issues

• billboard.js is vulnerable to XSS during chart option binding - CVE-2026-1513
• @digitalocean/do-markdownit has Type Confusion vulnerability - CVE-2025-59717
• Parse Server before v3.4.1 vulnerable to Denial of Service - CVE-2019-1020012
• useragent Regular Expression Denial of Service vulnerability - CVE-2020-26311

Tags:

npm

makerjs