Vulnerabilities

Search by TI id or any alias (CVE, GHSA), vendor, product or CWE.

Filters

Reset all

Threatist priority CRITICAL 0 HIGH 0 MEDIUM 1 LOW 0

Signals Exploited in the wild (KEV) 0 Patch available 0 No fix listed 1 Has CVE 1

Fix status Fixed 0 Partial 0 Will not fix 0 Deferred 0 No fix listed 1

Attack vector Network 1 Adjacent network 0 Local 0 Physical 0

Requirements No authentication 0 No user interaction 1

Product

Products as named in CPE, with their records.

Published Last 7 days Last 30 days Last 12 months Any time

Weakness (CWE) CWE-1321 Improperly Controlled Modification of Object Prototype Attributes 1

1 selected

1 record

Sort

Vendor: Purl Project × Clear all filters

TI-2021-03392 CVE-2021-20089 · GHSA-fc5x-mj45-vx78

Prototype pollution in purl

Priority MEDIUM 41

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in purl 2.3.2 allows a malicious user to inject properties into Object.prototype.

CVSS 3.1HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.01606 · Published 2021-04-23 · No fix listed CWE-1321

THREATIST.IO

Vulnerability intelligence for security teams and AI agents.

Vulnerabilities Vendors Exploited (KEV) API & MCP Newsletter Privacy policy Terms of use

Newsletter Vulnerability intelligence in your inbox Subscribe

© 2026 Threatist.ioData: CVE Program, NVD, CISA KEV, FIRST EPSS, GitHub Advisory Database and Red Hat security data (both CC BY 4.0), Microsoft Security Response Center. This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences

We would like to use Google Analytics cookies to see how the site is used. They are set only if you accept. Privacy policy