PT-2020-20279 · Composer · Composer

Manuel Garcia Cardenas · Published 2020-05-22 · Updated 2021-04-08 · CVE-2020-8789

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Composr version 10.0.30

Description The issue allows for Persistent XSS via a Usergroup name under the Security configuration. This can be exploited to execute malicious scripts on the affected system.

Recommendations For Composr version 10.0.30, update to a version that fixes this issue to prevent exploitation. As a temporary workaround, consider restricting access to the Security configuration to minimize the risk of exploitation. Avoid using user-inputted data for Usergroup names until the issue is resolved.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-8789

Affected Products

Composer

References · 5

• 🔥 http://packetstormsecurity.com/files/157787/Composr-CMS-10.0.30-Cross-Site-Scripting.html · Exploit
• 🔥 http://seclists.org/fulldisclosure/2020/May/39 · Exploit
• https://osv.dev/vulnerability/CVE-2020-8789 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-8789 · Security Note
• https://t.me/cvenotify/4018 · Telegram Post