# CVE-2022-22748: Mozilla Firefox ESR and 3 others: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVE-2022-22748 is fixed in 12 products on 2 platforms, first by Mozilla Thunderbird (en-US) 91.5.0, released January 6, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-22748
- Priority: High
- CVSS: 9.6 (Medium)
- EPSS: 0.0077
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 12, 2022
- Weakness: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-22748

## Description

Malicious websites could have confused Firefox into showing the wrong origin when asking to launch a program and handling an external URL protocol. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Mozilla Firefox ESR (en-US) | 102.0 | [Mozilla Firefox ESR (en-US) 102.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr-102.0.md) | Jun 23, 2022 |
| Windows apps | Mozilla Thunderbird (en-US) | 91.5.0 | [Mozilla Thunderbird (en-US) 91.5.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird-91.5.0.md) | Jan 6, 2022 |
| Linux | firefox RHEL 8 | 0:91.5.0-1.el8_5 | [RHSA-2022:0130](https://patchblox.com/security/data/fix/linux/rhsa-2022-0130.md) | Jan 12, 2022 |
| Linux | firefox Ubuntu 18.04.6 LTS (bionic) | 96.0+build2-0ubuntu0.18.04.1 | [firefox 96.0+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-96.0-build2-0ubuntu0.18.04.1.md) | Jan 12, 2022 |
| Linux | firefox Ubuntu 20.04 LTS (focal) | 96.0+build2-0ubuntu0.20.04.1 | [firefox 96.0+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-96.0-build2-0ubuntu0.20.04.1.md) | Jan 12, 2022 |
| Linux | firefox Ubuntu 22.04.1 LTS (jammy) | 96.0+build2-0ubuntu1 | [firefox 96.0+build2-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-firefox-96.0-build2-0ubuntu1.md) | Jan 12, 2022 |
| Linux | firefox almalinux 8 | 91.5.0-1.el8_5.alma | [ALSA-2022:0130](https://patchblox.com/security/data/fix/linux/alsa-2022-0130.md) | Jan 12, 2022 |
| Linux | firefox ol 8 | 0:91.5.0-1.0.1.el8_5 | [ELSA-2022-0130](https://patchblox.com/security/data/fix/linux/elsa-2022-0130.md) | Jan 13, 2022 |
| Linux | firefox rocky 8 | 0:91.5.0-1.el8_5 | [RLSA-2022:0130](https://patchblox.com/security/data/fix/linux/rlsa-2022-0130.md) | Jan 12, 2022 |
| Linux | firefox-esr Debian 12.15 (bookworm) | 91.5.0esr-1 | [DEBIAN-CVE-2022-22748](https://patchblox.com/security/data/fix/linux/debian-cve-2022-22748.md) | Dec 22, 2022 |
| Linux | firefox-esr Debian 13.5 (trixie) | 91.5.0esr-1 | [DEBIAN-CVE-2022-22748](https://patchblox.com/security/data/fix/linux/debian-cve-2022-22748.md) | Dec 22, 2022 |
| Linux | firefox-esr Debian 14 | 91.5.0esr-1 | [DEBIAN-CVE-2022-22748](https://patchblox.com/security/data/fix/linux/debian-cve-2022-22748.md) | Dec 22, 2022 |
| Linux | firefox-geckodriver Ubuntu 18.04.6 LTS (bionic) | 96.0+build2-0ubuntu0.18.04.1 | [firefox-geckodriver 96.0+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-geckodriver-96.0-build2-0ubuntu0.18.04.1.md) | Jan 12, 2022 |
| Linux | firefox-geckodriver Ubuntu 20.04 LTS (focal) | 96.0+build2-0ubuntu0.20.04.1 | [firefox-geckodriver 96.0+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-geckodriver-96.0-build2-0ubuntu0.20.04.1.md) | Jan 12, 2022 |
| Linux | firefox-geckodriver Ubuntu 22.04.1 LTS (jammy) | 96.0+build2-0ubuntu1 | [firefox-geckodriver 96.0+build2-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-firefox-geckodriver-96.0-build2-0ubuntu1.md) | Jan 12, 2022 |
| Linux | firefox-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 96.0+build2-0ubuntu0.18.04.1 | [firefox-mozsymbols 96.0+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-mozsymbols-96.0-build2-0ubuntu0.18.04.1.md) | Jan 12, 2022 |
| Linux | firefox-mozsymbols Ubuntu 20.04 LTS (focal) | 96.0+build2-0ubuntu0.20.04.1 | [firefox-mozsymbols 96.0+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-mozsymbols-96.0-build2-0ubuntu0.20.04.1.md) | Jan 12, 2022 |
| Linux | firefox-mozsymbols Ubuntu 22.04.1 LTS (jammy) | 96.0+build2-0ubuntu1 | [firefox-mozsymbols 96.0+build2-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-firefox-mozsymbols-96.0-build2-0ubuntu1.md) | Jan 12, 2022 |
| Linux | thunderbird Debian 12.15 (bookworm) | 1:91.5.0-1 | [DEBIAN-CVE-2022-22748](https://patchblox.com/security/data/fix/linux/debian-cve-2022-22748.md) | Dec 22, 2022 |
| Linux | thunderbird Debian 13.5 (trixie) | 1:91.5.0-1 | [DEBIAN-CVE-2022-22748](https://patchblox.com/security/data/fix/linux/debian-cve-2022-22748.md) | Dec 22, 2022 |
| Linux | thunderbird Debian 14 | 1:91.5.0-1 | [DEBIAN-CVE-2022-22748](https://patchblox.com/security/data/fix/linux/debian-cve-2022-22748.md) | Dec 22, 2022 |
| Linux | thunderbird RHEL 8 | 0:91.5.0-1.el8_5 | [RHSA-2022:0129](https://patchblox.com/security/data/fix/linux/rhsa-2022-0129.md) | Jan 12, 2022 |
| Linux | thunderbird Ubuntu 18.04.6 LTS (bionic) | 1:91.5.0+build1-0ubuntu0.18.04.1 | [thunderbird 1:91.5.0+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-1-91.5.0-build1-0ubuntu0.18.04.1.md) | Feb 16, 2023 |
| Linux | thunderbird Ubuntu 20.04 LTS (focal) | 1:91.5.0+build1-0ubuntu0.20.04.1 | [thunderbird 1:91.5.0+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-1-91.5.0-build1-0ubuntu0.20.04.1.md) | Feb 16, 2023 |
| Linux | thunderbird Ubuntu 22.04.1 LTS (jammy) | 1:91.5.0+build1-0ubuntu1 | [thunderbird 1:91.5.0+build1-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-1-91.5.0-build1-0ubuntu1.md) | Jan 12, 2022 |
| Linux | thunderbird almalinux 8 | 91.5.0-1.el8_5.alma.plus | [ALSA-2022:0129](https://patchblox.com/security/data/fix/linux/alsa-2022-0129.md) | Jan 12, 2022 |
| Linux | thunderbird ol 8 | 0:91.5.0-1.0.1.el8_5 | [ELSA-2022-0129](https://patchblox.com/security/data/fix/linux/elsa-2022-0129.md) | Jan 13, 2022 |
| Linux | thunderbird rocky 8 | 0:91.5.0-1.el8_5 | [RLSA-2022:0129](https://patchblox.com/security/data/fix/linux/rlsa-2022-0129.md) | Jan 12, 2022 |
| Linux | thunderbird-gnome-support Ubuntu 18.04.6 LTS (bionic) | 1:91.5.0+build1-0ubuntu0.18.04.1 | [thunderbird-gnome-support 1:91.5.0+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-gnome-support-1-91.5.0-build1-0ubuntu0.18.04.1.md) | Feb 16, 2023 |
| Linux | thunderbird-gnome-support Ubuntu 20.04 LTS (focal) | 1:91.5.0+build1-0ubuntu0.20.04.1 | [thunderbird-gnome-support 1:91.5.0+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-gnome-support-1-91.5.0-build1-0ubuntu0.20.04.1.md) | Feb 16, 2023 |
| Linux | thunderbird-gnome-support Ubuntu 22.04.1 LTS (jammy) | 1:91.5.0+build1-0ubuntu1 | [thunderbird-gnome-support 1:91.5.0+build1-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-gnome-support-1-91.5.0-build1-0ubuntu1.md) | Jan 12, 2022 |
| Linux | thunderbird-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 1:91.5.0+build1-0ubuntu0.18.04.1 | [thunderbird-mozsymbols 1:91.5.0+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-mozsymbols-1-91.5.0-build1-0ubuntu0.18.04.1.md) | Feb 16, 2023 |
| Linux | thunderbird-mozsymbols Ubuntu 20.04 LTS (focal) | 1:91.5.0+build1-0ubuntu0.20.04.1 | [thunderbird-mozsymbols 1:91.5.0+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-mozsymbols-1-91.5.0-build1-0ubuntu0.20.04.1.md) | Feb 16, 2023 |
| Linux | thunderbird-mozsymbols Ubuntu 22.04.1 LTS (jammy) | 1:91.5.0+build1-0ubuntu1 | [thunderbird-mozsymbols 1:91.5.0+build1-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-mozsymbols-1-91.5.0-build1-0ubuntu1.md) | Jan 12, 2022 |
| Linux | xul-ext-calendar-timezones Ubuntu 18.04.6 LTS (bionic) | 1:91.5.0+build1-0ubuntu0.18.04.1 | [xul-ext-calendar-timezones 1:91.5.0+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-calendar-timezones-1-91.5.0-build1-0ubuntu0.18.04.1.md) | Feb 16, 2023 |
| Linux | xul-ext-calendar-timezones Ubuntu 20.04 LTS (focal) | 1:91.5.0+build1-0ubuntu0.20.04.1 | [xul-ext-calendar-timezones 1:91.5.0+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-calendar-timezones-1-91.5.0-build1-0ubuntu0.20.04.1.md) | Feb 16, 2023 |
| Linux | xul-ext-calendar-timezones Ubuntu 22.04.1 LTS (jammy) | 1:91.5.0+build1-0ubuntu1 | [xul-ext-calendar-timezones 1:91.5.0+build1-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-calendar-timezones-1-91.5.0-build1-0ubuntu1.md) | Jan 12, 2022 |
| Linux | xul-ext-gdata-provider Ubuntu 18.04.6 LTS (bionic) | 1:91.5.0+build1-0ubuntu0.18.04.1 | [xul-ext-gdata-provider 1:91.5.0+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-gdata-provider-1-91.5.0-build1-0ubuntu0.18.04.1.md) | Feb 16, 2023 |
| Linux | xul-ext-gdata-provider Ubuntu 20.04 LTS (focal) | 1:91.5.0+build1-0ubuntu0.20.04.1 | [xul-ext-gdata-provider 1:91.5.0+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-gdata-provider-1-91.5.0-build1-0ubuntu0.20.04.1.md) | Feb 16, 2023 |
| Linux | xul-ext-gdata-provider Ubuntu 22.04.1 LTS (jammy) | 1:91.5.0+build1-0ubuntu1 | [xul-ext-gdata-provider 1:91.5.0+build1-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-gdata-provider-1-91.5.0-build1-0ubuntu1.md) | Jan 12, 2022 |
| Linux | xul-ext-lightning Ubuntu 18.04.6 LTS (bionic) | 1:91.5.0+build1-0ubuntu0.18.04.1 | [xul-ext-lightning 1:91.5.0+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-lightning-1-91.5.0-build1-0ubuntu0.18.04.1.md) | Feb 16, 2023 |
| Linux | xul-ext-lightning Ubuntu 20.04 LTS (focal) | 1:91.5.0+build1-0ubuntu0.20.04.1 | [xul-ext-lightning 1:91.5.0+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-lightning-1-91.5.0-build1-0ubuntu0.20.04.1.md) | Feb 16, 2023 |
| Linux | xul-ext-lightning Ubuntu 22.04.1 LTS (jammy) | 1:91.5.0+build1-0ubuntu1 | [xul-ext-lightning 1:91.5.0+build1-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-lightning-1-91.5.0-build1-0ubuntu1.md) | Jan 12, 2022 |

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