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 1 No fix listed 0 Has CVE 1

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

Impact type Code execution 0 Privilege escalation 0 Security bypass 1 Information disclosure 0 Tampering 0 Denial of service 0 Spoofing 0 Cross-site scripting 0 SQL injection 0

Attack vector Network 1 Adjacent network 0 Local 0 Physical 0

Requirements No authentication 1 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-863 Incorrect Authorization 1

1 selected

1 record

Sort

Vendor: Polrproject × Clear all filters

TI-2021-04376 CVE-2021-21276

Privilege escalation in Polr

Priority MEDIUM 50

Polr is an open source URL shortener.

CVSS 3.1CRITICAL 9.3· Network · No auth · No interaction · EPSS 0.0725 · Published 2021-02-01 · Fixed in 2.3.0 CWE-863

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