What’s Vulnerable › Vulnerabilities

CVE-2023-46858

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-10-29 · updated 2026-06-17
• Weakness: CWE-79

Description

Moodle 4.3 allows /grade/report/grader/index.php?searchvalue= reflected XSS when logged in as a teacher. NOTE: the Moodle Security FAQ link states "Some forms of rich content [are] used by teachers to enhance their courses ... admins and teachers can post XSS-capable content, but students can not."

Affected products

• Moodle: 4.3.0

References

• https://docs.moodle.org/403/en/Security_FAQ#I_have_discovered_Cross_Site_Scripting_.28XSS.29_is_possible_with_Moodle
• https://gist.github.com/Abid-Ahmad/12d2b4878eb731e8871b96b7d55125cd
• https://packetstormsecurity.com/files/175277/Moodle-4.3-Cross-Site-Scripting.html
• https://docs.moodle.org/403/en/Security_FAQ#I_have_discovered_Cross_Site_Scripting_.28XSS.29_is_possible_with_Moodle
• https://gist.github.com/Abid-Ahmad/12d2b4878eb731e8871b96b7d55125cd
• https://packetstormsecurity.com/files/175277/Moodle-4.3-Cross-Site-Scripting.html

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