How severe is CVE-2021-24341?

CVE-2021-24341 has a CVSS 3.x base score of 8.8, 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 high, and availability high.

Is CVE-2021-24341 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24341?

CVE-2021-24341 affects Xllentech English Islamic Calendar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24341?

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.

When was CVE-2021-24341 published?

CVE-2021-24341 was published on 2021-06-14 and last updated on 2026-06-17.

CVE-2021-24341

CVE-2021-24341 is a high-severity vulnerability in Xllentech English Islamic Calendar with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Xllentech English Islamic Calendar
Published: 2021-06-14
Last modified: 2026-06-17

Description

When deleting a date in the Xllentech English Islamic Calendar WordPress plugin before 2.6.8, the year_number and month_number POST parameters are not sanitised, escaped or validated before being used in a SQL statement, leading to SQL injection.

Frequently asked questions

What is CVE-2021-24341?: When deleting a date in the Xllentech English Islamic Calendar WordPress plugin before 2.6.8, the year_number and month_number POST parameters are not sanitised, escaped or validated before being used in a SQL statement, leading to SQL injection.
How severe is CVE-2021-24341?: CVE-2021-24341 has a CVSS 3.x base score of 8.8, 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 high, and availability high.
Is CVE-2021-24341 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24341?: CVE-2021-24341 affects Xllentech English Islamic Calendar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24341?: 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.
When was CVE-2021-24341 published?: CVE-2021-24341 was published on 2021-06-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:xllentech:english_islamic_calendar:*:*:*:*:*:wordpress:*:*

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