CVE-2021-40909
CVE-2021-40909 is a critical-severity vulnerability in Php Crud Without Refresh/reload Using Ajax And Datatables Tutorial Project Php Crud Without Refresh/reload Using Ajax And Datatables Tutorial with a CVSS 3.x base score of 9.6. 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
- Severity: Critical (CVSS 3.x base score 9.6)
- CVSS v2: 6.8
- EPSS exploit prediction: 2% (80th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Php Crud Without Refresh/reload Using Ajax And Datatables Tutorial Project Php Crud Without Refresh/reload Using Ajax And Datatables Tutorial
- Published:
- Last modified:
Description
Cross site scripting (XSS) vulnerability in sourcecodester PHP CRUD without Refresh/Reload using Ajax and DataTables Tutorial v1 by oretnom23, allows remote attackers to execute arbitrary code via the first_name, last_name, and email parameters to /ajax_crud.
Frequently asked questions
- What is CVE-2021-40909?
- Cross site scripting (XSS) vulnerability in sourcecodester PHP CRUD without Refresh/Reload using Ajax and DataTables Tutorial v1 by oretnom23, allows remote attackers to execute arbitrary code via the first_name, last_name, and email parameters to /ajax_crud.
- How severe is CVE-2021-40909?
- CVE-2021-40909 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-40909 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-40909?
- CVE-2021-40909 affects Php Crud Without Refresh/reload Using Ajax And Datatables Tutorial Project Php Crud Without Refresh/reload Using Ajax And Datatables Tutorial. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-40909?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-40909 published?
- CVE-2021-40909 was published on 2022-01-24 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:php_crud_without_refresh\/reload_using_ajax_and_datatables_tutorial_project:php_crud_without_refresh\/reload_using_ajax_and_datatables_tutorial:1.0:*:*:*:*:*:*:*
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