Medium severity · published Oct 29, 2023
CVE-2023-46858
Moodle 4.3 allows /grade/report/grader/index.php?searchvalue= reflected XSS when logged in as a teacher
5.4
CVSS
0.6%
EPSS
No
On KEV
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."
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Moodle · Moodle
4.3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-46858
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-46858
Product
https://docs.moodle.org/403/en/Security_FAQ#I_have_discovered_Cross_Site_Scripting_.28XSS.29_is_possible_with_Moodle
Broken Link
https://gist.github.com/Abid-Ahmad/12d2b4878eb731e8871b96b7d55125cd
Exploit
https://packetstormsecurity.com/files/175277/Moodle-4.3-Cross-Site-Scripting.html
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