CVE-2023-5539: medium-severity vulnerability in moodle
Moodle: authenticated remote code execution risk in lesson
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.7epss 2.2%
A remote code execution risk was identified in the Lesson activity. By default this was only available to teachers and managers.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Affected products
moodleRelated CVEs — moodle
In the same product, most dangerous first.
CVE-2024-43425HIGHMoodle: remote code execution via calculated question typesEPSS 87.5%CVE-2026-26046HIGHMoodle: moodle: improper input sanitization in tex filter administration settingEPSS 13.8%CVE-2023-30943MEDIUMMoodle: tinymce loaders susceptible to arbitrary folder creationEPSS 6.8%CVE-2023-5540MEDIUMMoodle: authenticated remote code execution risk in imscpEPSS 2.3%CVE-2023-5550MEDIUMMoodle: rce due to lfi risk in some misconfigured shared hosting environmentsEPSS 1.6%CVE-2023-5546MEDIUMMoodle: stored xss in quiz grading report via user id numberEPSS 1.3%