CVE-2020-18660
CVE-2020-18660 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-601.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 5.8
- EPSS exploit prediction: 1% (67th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-601
- Affected product: Get-simple Getsimplecms
- Published:
- Last modified:
Description
GetSimpleCMS <=3.3.15 has an open redirect in admin/changedata.php via the redirect function to the url parameter.
Frequently asked questions
- What is CVE-2020-18660?
- GetSimpleCMS <=3.3.15 has an open redirect in admin/changedata.php via the redirect function to the url parameter.
- How severe is CVE-2020-18660?
- CVE-2020-18660 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-2020-18660 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-18660?
- CVE-2020-18660 affects Get-simple Getsimplecms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-18660?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-18660 published?
- CVE-2020-18660 was published on 2021-06-23 and last updated on 2026-06-17.
References
- https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1310
- https://github.com/LoRexxar/CVE_Request/blob/master/getsimplecms%20v3.3.15/getsimplecms_before_v3.3.15.md
- https://www.seebug.org/vuldb/ssvid-97928
Affected products (1)
- cpe:2.3:a:get-simple:getsimplecms:*:*:*:*:*:*:*:*
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Other CWE-601 (Open Redirect) vulnerabilities
- CVE-2018-3774 — Critical (CVSS 10.0): Incorrect parsing in url-parse <1.4.3 returns wrong hostname which leads to multiple vulnerabilities such as SSRF, Open…
- CVE-2019-25282 — Critical (CVSS 9.8): V-SOL GPON/EPON OLT Platform v2.03 contains an open redirect vulnerability in the script that allows attackers to…
- CVE-2020-36912 — Critical (CVSS 9.8): Plexus anblick Digital Signage Management 3.1.13 contains an open redirect vulnerability in the 'PantallaLogin' script…
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- CVE-2025-55031 — Critical (CVSS 9.8): Malicious pages could use Firefox for iOS to pass FIDO: links to the OS and trigger the hybrid passkey transport. An…
- CVE-2024-22891 — Critical (CVSS 9.8): Nteract v.0.28.0 was discovered to contain a remote code execution (RCE) vulnerability via the Markdown link.