High severity · published Feb 17, 2023
CVE-2023-23923
The vulnerability was found Moodle which exists due to insufficient limitations on the "start page" preference
8.2
CVSS
1%
EPSS
No
On KEV
Description
The vulnerability was found Moodle which exists due to insufficient limitations on the "start page" preference. A remote attacker can set that preference for another user. The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Moodle · Moodle
3.9.0 before 3.9.19; 3.11.0 before 3.11.12; 4.0.0 before 4.0.6; 4.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-23923
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-23923
Patch
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76862
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2162549
Vendor Advisory
https://moodle.org/mod/forum/discuss.php?d=443274#p1782023
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