CVE-2021-24740

CVE-2021-24740 is a medium-severity vulnerability in Themeum Tutor Lms with a CVSS 3.x base score of 4.8. 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-79.

Key facts

Description

The Tutor LMS WordPress plugin before 1.9.9 does not escape some of its settings before outputting them in attributes, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Frequently asked questions

What is CVE-2021-24740?
The Tutor LMS WordPress plugin before 1.9.9 does not escape some of its settings before outputting them in attributes, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.
How severe is CVE-2021-24740?
CVE-2021-24740 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24740 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24740?
CVE-2021-24740 affects Themeum Tutor Lms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24740?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24740 published?
CVE-2021-24740 was published on 2021-10-18 and last updated on 2026-06-17.

References

Affected products (1)

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