CVE-2021-24341: When deleting a date in the Xllentech English Islamic Calendar WordPress plugin before 2.6.8, the year_number

Q: How do I fix CVE-2021-24341?

english islamic calendar: upgrade to 2.6.8. Exact commands for each OS are on this page.

Q: Is CVE-2021-24341 being exploited?

CVE-2021-24341 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-24341 affect?

CVE-2021-24341 affects english islamic calendar. Severity is high (CVSS 8.8). 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 inje

Q: How urgent is CVE-2021-24341?

Priority 55/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2021-24341 is a high-severity flaw (CVSS 8.8) affecting english islamic calendar. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-89
Published	2021-06-14
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: xllentech

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-06-14 14:15 UTCPublished CVE record published
2026-06-17 03:39 UTCUpdated Record last modified

xllentech english islamic calendar UPGRADE

Affected: < 2.6.8

Fixed in: 2.6.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy english-islamic-calendar || rpm -q english-islamic-calendar || english-islamic-calendar --version

2. UPGRADE to 2.6.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade english-islamic-calendar

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade english-islamic-calendar

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-24341?

english islamic calendar: upgrade to 2.6.8. Exact commands for each OS are on this page.

Is CVE-2021-24341 being exploited?

CVE-2021-24341 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-24341 affect?

CVE-2021-24341 affects english islamic calendar. Severity is high (CVSS 8.8). 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 inje

How urgent is CVE-2021-24341?

Priority 55/100. High severity; Public exploit reference

Software pages

WordPress vulnerabilities

References

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