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CVE-2018-14630

HIGH
8.8
CVSS Score
Published: September 17, 2018 at 06:00 PM UTC
Updated: June 17, 2026 at 01:41 AM UTC
1 product affected across 1 vendorMoodle

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Severity
HIGH8.8
Exploit prediction
EPSS 5%

Description

moodle before versions 3.5.2, 3.4.5, 3.3.8, 3.1.14 is vulnerable to an XML import of ddwtos could lead to intentional remote code execution. When importing legacy 'drag and drop into text' (ddwtos) type quiz questions, it was possible to inject and execute PHP code from within the imported questions, either intentionally or by importing questions from an untrusted source.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Moodle· Moodle
95%
v ≤ 3.0.103.1.0 ≤ v < 3.1.143.3.0 ≤ v < 3.3.83.4.0 ≤ v < 3.4.53.5.0 ≤ v < 3.5.23.1.143.3.83.4.53.5.2
Affected range stops below 3.1.14, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.3.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.4.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.5.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (6)

x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-62880
VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/105354
x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14630
x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://moodle.org/mod/forum/discuss.php?d=376023
Mailing Listx_refsource_FULLDISCExploitThird Party Advisory
Source: [email protected]
https://seclists.org/fulldisclosure/2018/Sep/28
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://www.sec-consult.com/en/blog/advisories/remote-code-execution-php-unserialize-moodle-open-source-learning-platform-cve-2018-14630/

CVSS

8.8HIGHredhat
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20CWE-94

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