CVE-2023-46858

low-risk
Published 2023-10-29

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."

Do I need to act?

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0.11% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.4/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Moodle

References (6)

Product https://docs.moodle.org/403/en/Security_FAQ#I_have_discovered_Cross_Site_Scripti...
Broken Link https://gist.github.com/Abid-Ahmad/12d2b4878eb731e8871b96b7d55125cd
Exploit https://packetstormsecurity.com/files/175277/Moodle-4.3-Cross-Site-Scripting.htm...
Product https://docs.moodle.org/403/en/Security_FAQ#I_have_discovered_Cross_Site_Scripti...
Broken Link https://gist.github.com/Abid-Ahmad/12d2b4878eb731e8871b96b7d55125cd
Exploit https://packetstormsecurity.com/files/175277/Moodle-4.3-Cross-Site-Scripting.htm...
26
/ 100
low-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal