CVE-2019-3810: XSS
First published: Mon Mar 25 2019(Updated: )
A flaw was found in moodle versions 3.6 to 3.6.1, 3.5 to 3.5.3, 3.4 to 3.4.6, 3.1 to 3.1.15 and earlier unsupported versions. The /userpix/ page did not escape users' full names, which are included as text when hovering over profile images. Note this page is not linked to by default and its access is restricted.
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/moodle/moodle | >=3.1.0<3.1.15 | 3.1.15 |
| composer/moodle/moodle | >=3.4.0<3.4.6 | 3.4.6 |
| composer/moodle/moodle | >=3.5.0<3.5.3 | 3.5.3 |
| composer/moodle/moodle | >=3.6.0<3.6.1 | 3.6.1 |
| Moodle | >=3.1.0<=3.1.15 | |
| Moodle | >=3.4.0<=3.4.6 | |
| Moodle | >=3.5.0<=3.5.3 | |
| Moodle | >=3.6.0<=3.6.1 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2019-3810
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3810
- https://moodle.org/mod/forum/discuss.php?d=381230#p1536767
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-64372
- http://packetstormsecurity.com/files/162399/Moodle-3.6.1-Cross-Site-Scripting.html
- https://github.com/advisories/GHSA-wm4w-8vc6-2j4h (Advisory)
Frequently Asked Questions
What is the severity of CVE-2019-3810?
CVE-2019-3810 has a medium severity rating due to its information disclosure potential.
How do I fix CVE-2019-3810?
To fix CVE-2019-3810, upgrade to Moodle version 3.6.2 or later, or to 3.5.4 or later.
Which Moodle versions are affected by CVE-2019-3810?
CVE-2019-3810 affects Moodle versions 3.1.0 to 3.1.15, 3.4.0 to 3.4.6, 3.5.0 to 3.5.3, and 3.6.0 to 3.6.1.
What does CVE-2019-3810 exploit?
CVE-2019-3810 exploits a lack of proper escaping of users' full names displayed on the /userpix/ page.
Is CVE-2019-3810 easily exploitable?
CVE-2019-3810 is not easily exploitable as the affected page is not linked by default in Moodle.
- collector/github-advisory-latest
- alias/GHSA-wm4w-8vc6-2j4h
- alias/CVE-2019-3810
- collector/github-advisory
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- agent/last-modified-date
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- package-manager/composer
- vendor/moodle
- canonical/moodle
- version/moodle/3.1.0
- version/moodle/3.1.15
- version/moodle/3.4.0
- version/moodle/3.4.6
- version/moodle/3.5.0
- version/moodle/3.5.3
- version/moodle/3.6.0
- version/moodle/3.6.1