How severe is CVE-2025-66802?

CVE-2025-66802 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-66802 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-66802?

CVE-2025-66802 affects Covid-19 Contact Tracing System Project Covid-19 Contact Tracing System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-66802?

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.

Does CVE-2025-66802 have an EU (EUVD) identifier?

Yes. CVE-2025-66802 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1913.

When was CVE-2025-66802 published?

CVE-2025-66802 was published on 2026-01-12 and last updated on 2026-06-17.

CVE-2025-66802

CVE-2025-66802 is a critical-severity vulnerability in Covid-19 Contact Tracing System Project Covid-19 Contact Tracing System with a CVSS 3.x base score of 9.8. 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1913
Weakness: CWE-434
Affected product: Covid-19 Contact Tracing System Project Covid-19 Contact Tracing System
Published: 2026-01-12
Last modified: 2026-06-17

Description

Sourcecodester Covid-19 Contact Tracing System 1.0 is vulnerable to RCE (Remote Code Execution). The application receives a reverse shell (php) into imagem of the user enabling RCE.

Frequently asked questions

What is CVE-2025-66802?: Sourcecodester Covid-19 Contact Tracing System 1.0 is vulnerable to RCE (Remote Code Execution). The application receives a reverse shell (php) into imagem of the user enabling RCE.
How severe is CVE-2025-66802?: CVE-2025-66802 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-66802 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-66802?: CVE-2025-66802 affects Covid-19 Contact Tracing System Project Covid-19 Contact Tracing System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-66802?: 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.
Does CVE-2025-66802 have an EU (EUVD) identifier?: Yes. CVE-2025-66802 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1913.
When was CVE-2025-66802 published?: CVE-2025-66802 was published on 2026-01-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:covid-19_contact_tracing_system_project:covid-19_contact_tracing_system:1.0:*:*:*:*:*:*:*

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