How severe is CVE-2018-5974?

CVE-2018-5974 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-2018-5974 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-5974?

CVE-2018-5974 affects Albonico Simplecalendar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-5974?

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-2018-5974 published?

CVE-2018-5974 was published on 2018-02-17 and last updated on 2026-06-17.

CVE-2018-5974

CVE-2018-5974 is a critical-severity vulnerability in Albonico Simplecalendar 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-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Albonico Simplecalendar
Published: 2018-02-17
Last modified: 2026-06-17

Description

SQL Injection exists in the SimpleCalendar 3.1.9 component for Joomla! via the catid array parameter.

Frequently asked questions

What is CVE-2018-5974?: SQL Injection exists in the SimpleCalendar 3.1.9 component for Joomla! via the catid array parameter.
How severe is CVE-2018-5974?: CVE-2018-5974 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-2018-5974 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-5974?: CVE-2018-5974 affects Albonico Simplecalendar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-5974?: 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-2018-5974 published?: CVE-2018-5974 was published on 2018-02-17 and last updated on 2026-06-17.

References

https://exploit-db.com/exploits/44126

Affected products (1)

cpe:2.3:a:albonico:simplecalendar:3.1.9:*:*:*:*:joomla\!:*:*

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