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CVE-2021-20186

CVE-2021-20186

This page contains facts from public vulnerability sources. Check the original advisory before updating.

It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that if the TeX notation filter was enabled, additional sanitizing of TeX content was required to prevent the risk of stored XSS.

CVSS 5.4 · Medium · EPSS 0.8% · Fix available

Published
Updated

Stack: system · php

Affected products and versions

  • moodle

    Versions
    • moodle 3.10.1, moodle 3.9.4, moodle 3.8.7, moodle 3.5.16: Affected

    No fix published

  • moodle/moodle Packagist

    Versions
    • v3.10.0
    • v3.10.0-beta
    • v3.10.0-rc1
    • v3.10.0-rc2
    Affected ranges
    • ECOSYSTEM: ≥ 3.10, < 3.10.1

    Update to 3.10.1

  • moodle/moodle Packagist

    Versions
    • v3.9.0
    • v3.9.0-beta
    • v3.9.0-rc1
    • v3.9.0-rc2
    • v3.9.0-rc3
    • v3.9.1
    • v3.9.2
    • v3.9.3
    Affected ranges
    • ECOSYSTEM: ≥ 3.9, < 3.9.4

    Update to 3.9.4

  • moodle/moodle Packagist

    Versions
    • v3.8.0
    • v3.8.0-beta
    • v3.8.0-rc1
    • v3.8.1
    • v3.8.2
    • v3.8.3
    • v3.8.4
    • v3.8.5
    • v3.8.6
    Affected ranges
    • ECOSYSTEM: ≥ 3.8, < 3.8.7

    Update to 3.8.7

  • moodle/moodle Packagist

    Versions
    • v3.5.0
    • v3.5.0-beta
    • v3.5.0-rc1
    • v3.5.1
    • v3.5.10
    • v3.5.11
    • v3.5.12
    • v3.5.13
    • v3.5.14
    • v3.5.15
    • v3.5.2
    • v3.5.3
    • v3.5.4
    • v3.5.5
    • v3.5.6
    • v3.5.7
    • v3.5.8
    • v3.5.9
    Affected ranges
    • ECOSYSTEM: ≥ 3.5, < 3.5.16

    Update to 3.5.16

  • moodle Ubuntu:Pro:16.04:LTS

    Versions
    • 2.7.9+dfsg-1
    • 2.7.10+dfsg-1
    • 2.7.11+dfsg-1
    • 2.7.11+dfsg-2
    • 2.7.12+dfsg-1
    • 3.0.3+dfsg-0ubuntu1
    • 3.0.3+dfsg-0ubuntu1+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • moodle Ubuntu:Pro:18.04:LTS

    Versions
    • 3.0.3+dfsg-0ubuntu1
    • 3.0.3+dfsg-0ubuntu1+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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