Server-Side Request Forgery (SSRF) Affecting moodle package, versions <3.0.3+dfsg-0ubuntu1+esm1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1804-MOODLE-1154875
- published25 Sept 2026
- disclosed25 Mar 2019
Introduced: 25 Mar 2019
CVE-2019-3809 (opens in a new tab)How to fix?
Upgrade Ubuntu:18.04 moodle to version 3.0.3+dfsg-0ubuntu1+esm1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream moodle package and not the moodle package as distributed by Ubuntu.
See How to fix? for Ubuntu:18.04 relevant fixed versions and status.
A flaw was found in Moodle versions 3.1 to 3.1.15 and earlier unsupported versions. The mybackpack functionality allowed setting the URL of badges, when it should be restricted to the Mozilla Open Badges backpack URL. This resulted in the possibility of blind SSRF via requests made by the page.