CVE-2020-25628: XSS

Published Dec 8, 2020
·
Updated

The filter in the tag manager required extra sanitizing to prevent a reflected XSS risk. This affects 3.9 to 3.9.1, 3.8 to 3.8.4, 3.7 to 3.7.7, 3.5 to 3.5.13 and earlier unsupported versions. Fixed in 3.9.2, 3.8.5, 3.7.8 and 3.5.14.

Affected Software

8 affected componentsFixes available
composer/moodle/moodle>=3.5<3.5.14
3.5.14
composer/moodle/moodle>=3.7.0<3.7.8
3.7.8
composer/moodle/moodle>=3.8.0<3.8.5
3.8.5
composer/moodle/moodle>=3.9.0<3.9.2
3.9.2
Moodle moodle>=3.5.0<3.5.14
Moodle moodle>=3.7.0<3.7.8
Moodle moodle>=3.8.0<3.8.5
Moodle moodle>=3.9.0<3.9.2

Event History

Dec 8, 2020
CVE Published
via MITRE·12:22 AM
Data Sourced
via MITRE·12:22 AM
DescriptionWeakness
Mar 29, 2021
Advisory Published
08:43 PM

Frequently Asked Questions

1

What is the severity of CVE-2020-25628?

CVE-2020-25628 has been classified as a medium severity vulnerability due to its potential for reflected cross-site scripting (XSS).

2

How do I fix CVE-2020-25628?

To fix CVE-2020-25628, upgrade your Moodle installation to versions 3.9.2, 3.8.5, 3.7.8, or 3.5.14, which include the necessary sanitization improvements.

3

Which versions of Moodle are affected by CVE-2020-25628?

CVE-2020-25628 affects Moodle versions 3.5 to 3.5.13, 3.7 to 3.7.7, 3.8 to 3.8.4, and 3.9 to 3.9.1, along with earlier unsupported versions.

4

What type of vulnerability is CVE-2020-25628?

CVE-2020-25628 is identified as a reflected cross-site scripting (XSS) vulnerability that requires additional input validation.

5

What potential risks does CVE-2020-25628 pose?

CVE-2020-25628 can potentially allow attackers to execute arbitrary scripts in the context of the user's web browser, compromising user data and session integrity.

Contact

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