How severe is CVE-2021-47766?

CVE-2021-47766 has a CVSS 3.x base score of 7.1, 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 low, and availability none.

Is CVE-2021-47766 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2021-47766?

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-2021-47766 have an EU (EUVD) identifier?

Yes. CVE-2021-47766 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2773.

When was CVE-2021-47766 published?

CVE-2021-47766 was published on 2026-01-15 and last updated on 2026-06-17.

CVE-2021-47766

CVE-2021-47766 is a high-severity vulnerability with a CVSS 3.x base score of 7.1. 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 7.1)
CVSS v4: 7.1
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2773
Weakness: CWE-89
Published: 2026-01-15
Last modified: 2026-06-17

Description

Kmaleon 1.1.0.205 contains an authenticated SQL injection vulnerability in the 'tipocomb' parameter of kmaleonW.php that allows attackers to manipulate database queries. Attackers can exploit this vulnerability using boolean-based, error-based, and time-based blind SQL injection techniques to potentially extract or manipulate database information.

Frequently asked questions

What is CVE-2021-47766?: Kmaleon 1.1.0.205 contains an authenticated SQL injection vulnerability in the 'tipocomb' parameter of kmaleonW.php that allows attackers to manipulate database queries. Attackers can exploit this vulnerability using boolean-based, error-based, and time-based blind SQL injection techniques to potentially extract or manipulate database information.
How severe is CVE-2021-47766?: CVE-2021-47766 has a CVSS 3.x base score of 7.1, 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 low, and availability none.
Is CVE-2021-47766 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2021-47766?: 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-2021-47766 have an EU (EUVD) identifier?: Yes. CVE-2021-47766 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2773.
When was CVE-2021-47766 published?: CVE-2021-47766 was published on 2026-01-15 and last updated on 2026-06-17.

References

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