How severe is CVE-2023-3133?

CVE-2023-3133 has a CVSS 3.x base score of 7.5, 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 none, and availability none.

Is CVE-2023-3133 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3133?

CVE-2023-3133 affects Themeum Tutor Lms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-3133?

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-2023-3133 published?

CVE-2023-3133 was published on 2023-07-04 and last updated on 2026-06-17.

CVE-2023-3133

CVE-2023-3133 is a high-severity vulnerability in Themeum Tutor Lms with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Themeum Tutor Lms
Published: 2023-07-04
Last modified: 2026-06-17

Description

The Tutor LMS WordPress plugin before 2.2.1 does not implement adequate permission checks for REST API endpoints, allowing unauthenticated attackers to access information from Lessons that should not be publicly available.

Frequently asked questions

What is CVE-2023-3133?: The Tutor LMS WordPress plugin before 2.2.1 does not implement adequate permission checks for REST API endpoints, allowing unauthenticated attackers to access information from Lessons that should not be publicly available.
How severe is CVE-2023-3133?: CVE-2023-3133 has a CVSS 3.x base score of 7.5, 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 none, and availability none.
Is CVE-2023-3133 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3133?: CVE-2023-3133 affects Themeum Tutor Lms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-3133?: 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-2023-3133 published?: CVE-2023-3133 was published on 2023-07-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:themeum:tutor_lms:*:*:*:*:*:wordpress:*:*