CVE-2018-14631

Name: CVE-2018-14631
Creator: NVD / NIST
Published: 2018-09-17T20:29:00.9+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.80%

Last modified Jun 17, 2026

CVE-2018-14631 is a vulnerability of currently unknown severity. moodle before versions 3.5.2, 3.4.5, 3.3.8 is vulnerable to a boost theme - blog search GET parameter insufficiently filtered. The breadcrumb navigation provided by Boost theme when displaying search results of a blog were insufficiently filtered, which could result in reflected XSS if a user followed a malicious link containing JavaScript in the search parameter.. EPSS estimates a 1.80% chance of exploitation in the next 30 days.

Description

moodle before versions 3.5.2, 3.4.5, 3.3.8 is vulnerable to a boost theme - blog search GET parameter insufficiently filtered. The breadcrumb navigation provided by Boost theme when displaying search results of a blog were insufficiently filtered, which could result in reflected XSS if a user followed a malicious link containing JavaScript in the search parameter.

Metrics

EPSS Probability

1.80%

75.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Moodle	Moodle	>= 3.3.0, < 3.3.8
Moodle	Moodle	>= 3.4.0, < 3.4.5
Moodle	Moodle	>= 3.5.0, < 3.5.2

References

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-62857Patch, Vendor Advisory
http://www.securityfocus.com/bid/105371Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14631Issue Tracking, Patch, Third Party Advisory
https://moodle.org/mod/forum/discuss.php?d=376025Patch, Vendor Advisory
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-62857Patch, Vendor Advisory
http://www.securityfocus.com/bid/105371Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14631Issue Tracking, Patch, Third Party Advisory
https://moodle.org/mod/forum/discuss.php?d=376025Patch, Vendor Advisory

Timeline

Published: Sep 17, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-14631?

How severe is CVE-2018-14631?

Severity scoring for CVE-2018-14631 is pending analysis. The EPSS model estimates a 1.80% probability of exploitation in the next 30 days.

How do I fix CVE-2018-14631?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-14631?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST