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GHSA-9j5w-2cqc-cwj9

GHSA-9j5w-2cqc-cwj9 · Magento LTS vulnerable to Stored XSS via TinyMCE WYSIWYG Editor

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From HackerOne report [#1948040](https://hackerone.com/reports/1948040) by Halit AKAYDIN (hltakydn) ### Impact _What kind of vulnerability is it? Who is impacted?_ The TinyMCE WYSIWYG editor fails to filter scripts when rendering the HTML in specially crafted HTML tags. ### Patches _Has the problem been patched? What versions should users upgrade to?_ This vulnerability was fixed in version 20.2.0 by upgrading TinyMCE to a recent version in https://github.com/OpenMage/magento-lts/pull/3220 ### Workarounds _Is there a way for users to fix or remediate the vulnerability without upgrading?_ The WYSIWYG editor features could be disabled in the configuration. Possibly some WAF appliances would filter this attack. ### References _Are there any links users can visit to find out more?_ The attack is simply an exploit of the "onmouseover" attribute of an `img` element as described on [OWASP XSS Filter Evasion](https://cheatsheetseries.owasp.org/cheatsheets/XSS_Filter_Evasion_Cheat_Sheet.html)

CVSS 7.5 · Высокий · Есть исправление

Опубликовано
Обновлено

Стек: php

Затронутые продукты и версии

  • openmage/magento-lts Packagist

    Версии
    • 1.9.1.1
    • 1.9.2.0
    • 1.9.2.1
    • 1.9.2.2
    • 1.9.2.3
    • 1.9.2.4
    • 1.9.3.0
    • 1.9.3.1
    • v19.4.0
    • v19.4.1
    • v19.4.10
    • v19.4.11
    • v19.4.12
    • v19.4.13
    • v19.4.14
    • v19.4.15
    • v19.4.16
    • v19.4.17
    • v19.4.18
    • v19.4.19
    • v19.4.2
    • v19.4.20
    • v19.4.21
    • v19.4.22
    • v19.4.23
    • v19.4.3
    • v19.4.4
    • v19.4.5
    • v19.4.6
    • v19.4.7
    • v19.4.8
    • v19.4.9
    • v19.5.0
    • v19.5.0-rc1
    • v19.5.0-rc2
    • v19.5.0-rc3
    • v19.5.0-rc4
    • v19.5.0-rc5
    • v19.5.1
    • v19.5.2
    • v19.5.3
    • v20.0.0
    • v20.0.1
    • v20.0.10
    • v20.0.11
    • v20.0.12
    • v20.0.13
    • v20.0.14
    • v20.0.15
    • v20.0.16
    • v20.0.17
    • v20.0.18
    • v20.0.19
    • v20.0.2
    • v20.0.20
    • v20.0.3
    • v20.0.4
    • v20.0.5
    • v20.0.6
    • v20.0.7
    • v20.0.8
    • v20.1.0
    • v20.1.0-rc1
    • v20.1.0-rc2
    • v20.1.0-rc3
    • v20.1.0-rc4
    • v20.1.0-rc5
    • v20.1.0-rc6
    • v20.1.0-rc7
    • v20.1.1
    Затронутые диапазоны версий
    • ECOSYSTEM: < 20.2.0

    Обновитесь до 20.2.0

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