XSS in Get-simple Getsimple_cms

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 cl…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.105 (95.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
  • cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-23839?
CVE-2020-23839 is a medium-severity vulnerability in Get-simple Getsimple_cms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-09-01.
How severe is CVE-2020-23839?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-23839 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.