Medium severity · published Jun 23, 2021
CVE-2020-18658
Cross Site Scriptiong (XSS) vulnerability in GetSimpleCMS <=3.3.15 via the timezone parameter to settings.php
6.1
CVSS
1.4%
EPSS
No
On KEV
Description
Cross Site Scriptiong (XSS) vulnerability in GetSimpleCMS <=3.3.15 via the timezone parameter to settings.php.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GE
Getsimplecms · Get-simple
through 3.3.15 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-18658
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-18658
Exploit
https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1310
Release Notes
https://github.com/LoRexxar/CVE_Request/blob/master/getsimplecms%20v3.3.15/getsimplecms_before_v3.3.15.md
Third Party Advisory
https://www.seebug.org/vuldb/ssvid-97930
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