Unscored severity · published Jul 23, 2012
CVE-2012-3387
Moodle 2.3.x before 2.3.1 uses only a client-side check for whether references are permitted in a file upload, which allows remote authenticated users to bypass intended alias…
–
CVSS
1.1%
EPSS
No
On KEV
Description
Moodle 2.3.x before 2.3.1 uses only a client-side check for whether references are permitted in a file upload, which allows remote authenticated users to bypass intended alias (aka shortcut) restrictions via a client that omits this check.
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Moodle · Moodle
2.3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2012-3387
CVE.org
https://www.cve.org/CVERecord?id=CVE-2012-3387
git.moodle.org
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-33948
openwall.com
http://openwall.com/lists/oss-security/2012/07/17/1
secunia.com
http://secunia.com/advisories/49890
www.securityfocus.com
http://www.securityfocus.com/bid/54481
exchange.xforce.ibmcloud.com
https://exchange.xforce.ibmcloud.com/vulnerabilities/76954
More from Moodle
10.0
CVE-2019-3809
A flaw was found in Moodle versions 3.1 to 3.1.15 and earlier unsupported versions
9.8
CVE-2025-67856
Moodle: moodle: privilege escalation via incomplete role checks in badge awarding
9.8
CVE-2025-26533
An SQL injection risk was identified in the module list filter within course search
9.8
CVE-2024-33999
The referrer URL used by MFA required additional sanitizing, rather than being used directly
9.8
CVE-2023-5550
In a shared hosting environment that has been misconfigured to allow access to other users' content, a Moodle user who also has direct access to the web server outside of the…