What’s Vulnerable › Vulnerabilities

CVE-2021-27531

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-03-23 · updated 2026-06-17
• Weakness: CWE-79

Description

A cross-site scripting (XSS) vulnerability in DynPG version 4.9.2 allows remote attackers to inject JavaScript via the "query" parameter.

Affected products

• Dynpg: 4.9.2

References

• https://github.com/xoffense/POC/blob/main/DynPG%204.9.2%20XSS%20via%20query%20parameter
• https://github.com/xoffense/POC/blob/main/DynPG%204.9.2%20XSS%20via%20query%20parameter

Get alerted when CVE-2021-27531 or the next vulnerability affects your stack