Vulnerability Details : CVE-2018-1081
A flaw was found in Moodle 3.4 to 3.4.1, 3.3 to 3.3.4, 3.2 to 3.2.7, 3.1 to 3.1.10 and earlier unsupported versions. Unauthenticated users can trigger custom messages to admin via paypal enrol script. Paypal IPN callback script should only send error emails to admin after request origin was verified, otherwise admin email can be spammed.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2018-1081
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-1081
0.14%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 50 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-1081
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2018-1081
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: secalert@redhat.com (Secondary)
References for CVE-2018-1081
-
https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-61392
Official Moodle git projects - moodle.git/searchPatch;Vendor Advisory
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http://www.securityfocus.com/bid/103728
Moodle CVE-2018-1081 Security Bypass VulnerabilityThird Party Advisory;VDB Entry
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https://moodle.org/mod/forum/discuss.php?d=367938
Moodle.org: MSA-18-0005: Unauthenticated users can trigger custom messages to admin via paypal enrol scriptVendor Advisory
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