CVE-2019-14884 — A vulnerability was found in Moodle 3

A vulnerability was found in Moodle 3.7 before 3.73, 3.6 before 3.6.7 and 3.5 before 3.5.9, where a reflected XSS possible from some fatal error messages.

01What is this vulnerability?

A vulnerability was found in Moodle 3.7 before 3.73, 3.6 before 3.6.7 and 3.5 before 3.5.9, where a reflected XSS possible from some fatal error messages.

02Affected products

Vendor	Product	Versions
[UNKNOWN]	moodle	3.7.3, 3.6.7, 3.5.9

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-03-18T12:17:36.000Z
• Last modified: 2024-08-05T00:26:39.172Z

09References

• bugzilla.redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14884
• moodle.org — https://moodle.org/mod/forum/discuss.php?d=393587#p1586751