CVE-2020-23839

A Reflected Cross-Site Scripting (XSS) vulnerability in GetSimple CMS v3.3.16, in the admin/index.php login portal webpage, allows remote attackers to execute JavaScript code in the client's browser and harvest login credentials after a client clicks a link, enters credentials, and submits the login form.

CVSS v3.1 NVD

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0 NVD

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N

EPSS

10.46% chance of exploitation in the next 30 days, 96th percentile

Published

2020-09-01

Updated

2024-08-04

Proof-of-concept exploits (1)

• boku7/CVE-2020-2383912★ · 2021-03-30

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/49726

Security advisories

• http://packetstormsecurity.com/files/162016/GetSimple-CMS-3.3.16-Cross-Site-Scripting-She…
• GetSimpleCMS/GetSimpleCMS/issues/1330

References

• CVE Record
• NVD entry

Related

• CVE-2021-47778
• CVE-2021-47860
• CVE-2021-47870