CVE-2018-1136: XSS
First published: Fri May 25 2018(Updated: )
An issue was discovered in Moodle 3.x. An authenticated user is allowed to add HTML blocks containing scripts to their Dashboard; this is normally not a security issue because a personal dashboard is visible to this user only. Through this security vulnerability, users can move such a block to other pages where they can be viewed by other users.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/moodle/moodle | >=3.4<3.4.3 | 3.4.3 |
| composer/moodle/moodle | >=3.3<3.3.6 | 3.3.6 |
| composer/moodle/moodle | >=3.2<3.2.9 | 3.2.9 |
| composer/moodle/moodle | >=3.1<3.1.12 | 3.1.12 |
| Moodle | >=3.1.0<=3.1.11 | |
| Moodle | >=3.2.0<=3.2.8 | |
| Moodle | >=3.3.0<=3.3.5 | |
| Moodle | >=3.4.0<=3.4.2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2018-1136?
CVE-2018-1136 is considered a low severity vulnerability as it primarily impacts authenticated users allowing them to manipulate HTML blocks in their personal dashboard.
How do I fix CVE-2018-1136?
To fix CVE-2018-1136, upgrade Moodle to version 3.4.3, 3.3.6, 3.2.9, or 3.1.12 as appropriate.
What versions of Moodle are affected by CVE-2018-1136?
CVE-2018-1136 affects Moodle versions from 3.1.0 to 3.1.11, 3.2.0 to 3.2.8, 3.3.0 to 3.3.5, and 3.4.0 to 3.4.2.
Can an unauthenticated user exploit CVE-2018-1136?
No, CVE-2018-1136 can only be exploited by authenticated users who have access to the dashboard.
What impact does CVE-2018-1136 have on users' personal dashboards?
CVE-2018-1136 allows users to add HTML blocks containing scripts to their dashboards, which can lead to potential security breaches if exploited.
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