How severe is CVE-2016-20069?

CVE-2016-20069 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2016-20069 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-2016-20069?

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-2016-20069 have an EU (EUVD) identifier?

Yes. CVE-2016-20069 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-10881.

When was CVE-2016-20069 published?

CVE-2016-20069 was published on 2026-06-15 and last updated on 2026-06-17.

CVE-2016-20069

CVE-2016-20069 is a high-severity vulnerability with a CVSS 3.x base score of 8.2. 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 8.2)
CVSS v4: 8.8
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2016-10881
Weakness: CWE-89
Published: 2026-06-15
Last modified: 2026-06-17

Description

WordPress Booking Calendar Contact Form 1.0.23 contains an unauthenticated blind SQL injection vulnerability in the shortcode function that fails to sanitize the calendar parameter before using it in database queries. Attackers can inject SQL commands through the calendar shortcode parameter to execute arbitrary SQL queries and extract sensitive database information.

Frequently asked questions

What is CVE-2016-20069?: WordPress Booking Calendar Contact Form 1.0.23 contains an unauthenticated blind SQL injection vulnerability in the shortcode function that fails to sanitize the calendar parameter before using it in database queries. Attackers can inject SQL commands through the calendar shortcode parameter to execute arbitrary SQL queries and extract sensitive database information.
How severe is CVE-2016-20069?: CVE-2016-20069 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2016-20069 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-2016-20069?: 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-2016-20069 have an EU (EUVD) identifier?: Yes. CVE-2016-20069 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-10881.
When was CVE-2016-20069 published?: CVE-2016-20069 was published on 2026-06-15 and last updated on 2026-06-17.

References

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