CVE-2021-36601

CVE-2021-36601 is a medium-severity vulnerability in Get-simple Getsimplecms with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Description

GetSimpleCMS 3.3.16 contains a cross-site Scripting (XSS) vulnerability, where Function TSL does not filter check settings.php Website URL: "siteURL" parameter.

Frequently asked questions

What is CVE-2021-36601?
GetSimpleCMS 3.3.16 contains a cross-site Scripting (XSS) vulnerability, where Function TSL does not filter check settings.php Website URL: "siteURL" parameter.
How severe is CVE-2021-36601?
CVE-2021-36601 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-36601 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36601?
CVE-2021-36601 affects Get-simple Getsimplecms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36601?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-36601 published?
CVE-2021-36601 was published on 2021-08-10 and last updated on 2026-06-17.

References

Affected products (1)

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