PT-2021-10487 · Unknown · Getsimple Cms

Aquilao · Published 2021-06-23 · Updated 2021-06-25 · CVE-2020-20391

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: GetSimpleCMS version 3.4.0a

Description: The issue is related to a Cross Site Scripting vulnerability. It affects the admin/snippets.php file via two specific actions: (1) Add Snippet and (2) Save snippets.

Recommendations: For GetSimpleCMS version 3.4.0a, consider disabling the Add Snippet and Save snippets functions in admin/snippets.php as a temporary workaround until a patch is available. Restrict access to the admin/snippets.php file to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-20391

Affected Products

Getsimple Cms

References · 4

• 🔥 https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1322 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-20391 · Security Note
• https://osv.dev/vulnerability/CVE-2020-20391 · Vendor Advisory
• https://t.me/cibsecurity/25647 · Telegram Post