Critical severityNVD Advisory· Published Mar 29, 2021· Updated Nov 3, 2025
Arbitrary Code Injection
CVE-2021-23358
Description
The package underscore from 1.13.0-0 and before 1.13.0-2, from 1.3.2 and before 1.12.1 are vulnerable to Arbitrary Code Injection via the template function, particularly when a variable property is passed as an argument as it is not sanitized.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
underscorenpm | >= 1.3.2, < 1.12.1 | 1.12.1 |
Affected products
4- underscore/underscoredescription
- ghsa-coords3 versionspkg:npm/underscorepkg:rpm/opensuse/nodejs-underscore&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/nodejs-underscore&distro=openSUSE%20Tumbleweed
>= 1.3.2, < 1.12.1+ 2 more
- (no CPE)range: >= 1.3.2, < 1.12.1
- (no CPE)range: < 1.13.1-lp152.4.3.1
- (no CPE)range: < 1.13.1-1.3
Patches
Vulnerability mechanics
Generated on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.
References
33- github.com/advisories/GHSA-cf4h-3jhx-xvhqghsaADVISORY
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EOKATXXETD2PF3OR36Q5PD2VSVAR6J5Z/mitrevendor-advisoryx_refsource_FEDORA
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FGEE7U4Z655A2MK5EW4UQQZ7B64XJWBV/mitrevendor-advisoryx_refsource_FEDORA
- nvd.nist.gov/vuln/detail/CVE-2021-23358ghsaADVISORY
- www.debian.org/security/2021/dsa-4883ghsavendor-advisoryx_refsource_DEBIANWEB
- seclists.org/fulldisclosure/2025/Apr/14ghsaWEB
- github.com/jashkenas/underscore/blob/master/modules/template.js%23L71ghsax_refsource_MISCWEB
- github.com/jashkenas/underscore/commit/4c73526d43838ad6ab43a6134728776632adeb66ghsaWEB
- github.com/jashkenas/underscore/pull/2917ghsaWEB
- github.com/jashkenas/underscore/releases/tag/1.12.1ghsaWEB
- lists.apache.org/thread.html/r5df90c46f7000c4aab246e947f62361ecfb849c5a553dcdb0ef545e1%40%3Cissues.cordova.apache.org%3Eghsamailing-listx_refsource_MLISTWEB
- lists.apache.org/thread.html/r5df90c46f7000c4aab246e947f62361ecfb849c5a553dcdb0ef545e1@%3Cissues.cordova.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r770f910653772317b117ab4472b0a32c266ee4abbafda28b8a6f9306%40%3Cissues.cordova.apache.org%3Eghsamailing-listx_refsource_MLISTWEB
- lists.apache.org/thread.html/r770f910653772317b117ab4472b0a32c266ee4abbafda28b8a6f9306@%3Cissues.cordova.apache.org%3EghsaWEB
- lists.apache.org/thread.html/raae088abdfa4fbd84e1d19d7a7ffe52bf8e426b83e6599ea9a734dba%40%3Cissues.cordova.apache.org%3Eghsamailing-listx_refsource_MLISTWEB
- lists.apache.org/thread.html/raae088abdfa4fbd84e1d19d7a7ffe52bf8e426b83e6599ea9a734dba@%3Cissues.cordova.apache.org%3EghsaWEB
- lists.apache.org/thread.html/rbc84926bacd377503a3f5c37b923c1931f9d343754488d94e6f08039%40%3Cissues.cordova.apache.org%3Eghsamailing-listx_refsource_MLISTWEB
- lists.apache.org/thread.html/rbc84926bacd377503a3f5c37b923c1931f9d343754488d94e6f08039@%3Cissues.cordova.apache.org%3EghsaWEB
- lists.apache.org/thread.html/re69ee408b3983b43e9c4a82a9a17cbbf8681bb91a4b61b46f365aeaf%40%3Cissues.cordova.apache.org%3Eghsamailing-listx_refsource_MLISTWEB
- lists.apache.org/thread.html/re69ee408b3983b43e9c4a82a9a17cbbf8681bb91a4b61b46f365aeaf@%3Cissues.cordova.apache.org%3EghsaWEB
- lists.debian.org/debian-lts-announce/2021/03/msg00038.htmlghsamailing-listx_refsource_MLISTWEB
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EOKATXXETD2PF3OR36Q5PD2VSVAR6J5ZghsaWEB
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FGEE7U4Z655A2MK5EW4UQQZ7B64XJWBVghsaWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EOKATXXETD2PF3OR36Q5PD2VSVAR6J5ZghsaWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FGEE7U4Z655A2MK5EW4UQQZ7B64XJWBVghsaWEB
- security.netapp.com/advisory/ntap-20240808-0003ghsaWEB
- security.netapp.com/advisory/ntap-20241108-0002ghsaWEB
- snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1081504ghsax_refsource_MISCWEB
- snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBJASHKENAS-1081505ghsax_refsource_MISCWEB
- snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1081503ghsax_refsource_MISCWEB
- snyk.io/vuln/SNYK-JS-UNDERSCORE-1080984ghsax_refsource_MISCWEB
- www.npmjs.com/package/underscoreghsaWEB
- www.tenable.com/security/tns-2021-14ghsax_refsource_CONFIRMWEB
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