PT-2021-17496 · Dynpg · Dynpg

Published 2021-03-23 · Updated 2021-03-25 · CVE-2021-27528

Positive Technologies (AI Summary)

CVSS v3.1

4.8

Medium

Base vector

AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions DynPG version 4.9.2

Description A cross-site scripting (XSS) issue allows remote attackers to inject JavaScript via the refID parameter. This enables attackers to execute malicious scripts on the victim's browser.

Recommendations For DynPG version 4.9.2, consider restricting access to the refID parameter to minimize the risk of exploitation until a patch is available. As a temporary workaround, avoid using the refID parameter in sensitive operations. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-27528

Affected Products

Dynpg

References · 6

• 🔥 https://github.com/xoffense/POC/blob/main/DynPG%204.9.2%20XSS%20via%20refID%20parameter · Exploit
• https://osv.dev/vulnerability/CVE-2021-27528 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-27528 · Security Note
• https://t.me/cibsecurity/25310 · Telegram Post
• https://t.me/cvenotify/11891 · Telegram Post
• https://t.me/cvenotify/11788 · Telegram Post