CVE-2021-47918
CVE-2021-47918 is a high-severity vulnerability in Simplephpscripts Simple Cms Php with a CVSS 3.x base score of 8.1. 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-89.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- CVSS v4: 8.6
- EPSS exploit prediction: 1% (40th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2021-34753
- Weakness: CWE-89
- Affected product: Simplephpscripts Simple Cms Php
- Published:
- Last modified:
Description
Simple CMS 2.1 contains a remote SQL injection vulnerability that allows privileged attackers to inject unfiltered SQL commands in the users module. Attackers can exploit unvalidated input parameters in the admin.php file to compromise the database management system and web application.
Frequently asked questions
- What is CVE-2021-47918?
- Simple CMS 2.1 contains a remote SQL injection vulnerability that allows privileged attackers to inject unfiltered SQL commands in the users module. Attackers can exploit unvalidated input parameters in the admin.php file to compromise the database management system and web application.
- How severe is CVE-2021-47918?
- CVE-2021-47918 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2021-47918 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-47918?
- CVE-2021-47918 affects Simplephpscripts Simple Cms Php. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-47918?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2021-47918 have an EU (EUVD) identifier?
- Yes. CVE-2021-47918 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-34753.
- When was CVE-2021-47918 published?
- CVE-2021-47918 was published on 2026-02-01 and last updated on 2026-06-17.
References
- https://simplephpscripts.com/simple-cms-php
- https://www.vulncheck.com/advisories/simple-cms-sql-injection-vulnerability-via-users-module2
- https://www.vulnerability-lab.com/get_content.php?id=2303
Affected products (1)
- cpe:2.3:a:simplephpscripts:simple_cms_php:2.1:*:*:*:*:*:*:*
More vulnerabilities in Simplephpscripts Simple Cms Php
- CVE-2021-47919 — Medium (CVSS 6.4): Simple CMS 2.1 contains a non-persistent cross-site scripting vulnerability in the preview.php file's id parameter.…
- CVE-2021-47917 — Medium (CVSS 6.4): Simple CMS 2.1 contains a persistent cross-site scripting vulnerability in user input parameters that allows remote…
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