CVE-2020-23839

moderate-risk
Published 2020-09-01

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.

Do I need to act?

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16.9% chance of exploitation in next 30 days
EPSS score — higher than 83% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
49726
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.1/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Get-Simple

References (8)

Third Party Advisory http://packetstormsecurity.com/files/162016/GetSimple-CMS-3.3.16-Cross-Site-Scri...
Exploit https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1330
Third Party Advisory https://github.com/boku7/CVE-2020-23839
Third Party Advisory https://www.exploit-db.com/exploits/49726
Third Party Advisory http://packetstormsecurity.com/files/162016/GetSimple-CMS-3.3.16-Cross-Site-Scri...
Exploit https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1330
Third Party Advisory https://github.com/boku7/CVE-2020-23839
Third Party Advisory https://www.exploit-db.com/exploits/49726
41
/ 100
moderate-risk
Severity 23/34 · High
Exploitability 13/34 · Low
Exposure 5/34 · Minimal