What is CVE-2023-4805?

CVE-2023-4805 is a medium-severity vulnerability in Themeum Tutor Lms, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 5.4/10. Published 2023-10-16.

How severe is CVE-2023-4805?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2023-4805 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Themeum Tutor Lms

CVE-2023-4805

The Tutor LMS WordPress plugin before 2.3.0 does not sanitise and escape some of its settings, which could allow users such as subscriber to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Published 2023-10-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (32.3th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Themeum Tutor Lms
Tutor Lms — versions 0

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpscan.com/vulnerability/1049e940-49b1-4236-bea2-c636f35c5647 (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2023-4805?: CVE-2023-4805 is a medium-severity vulnerability in Themeum Tutor Lms, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 5.4/10. Published 2023-10-16.
How severe is CVE-2023-4805?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-4805 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.