# CVE-2022-22757: Mozilla Firefox ESR and 2 others: Insufficient Verification of Data Authenticity

CVE-2022-22757 is fixed in 5 products on 2 platforms, first by Mozilla Firefox (en-US) 97.0, released February 8, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-22757
- Priority: Routine
- CVSS: 6.5 (Low)
- EPSS: 0.0025
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 8, 2022
- Weakness: CWE-345: Insufficient Verification of Data Authenticity
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-22757

## Description

Remote Agent, used in WebDriver, did not validate the Host or Origin headers. This could have allowed websites to connect back locally to the user's browser to control it. <br>*This bug only affected Firefox when WebDriver was enabled, which is not the default configuration.*. This vulnerability affects Firefox < 97.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Mozilla Firefox (en-US) | 97.0 | [Mozilla Firefox (en-US) 97.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox-97.0.md) | Feb 8, 2022 |
| 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 |
| Linux | firefox Ubuntu 18.04.6 LTS (bionic) | 97.0+build2-0ubuntu0.18.04.1 | [firefox 97.0+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-97.0-build2-0ubuntu0.18.04.1.md) | Feb 8, 2022 |
| Linux | firefox Ubuntu 20.04 LTS (focal) | 97.0+build2-0ubuntu0.20.04.1 | [firefox 97.0+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-97.0-build2-0ubuntu0.20.04.1.md) | Feb 8, 2022 |
| Linux | firefox Ubuntu 22.04.1 LTS (jammy) | 97.0+build2-0ubuntu1 | [firefox 97.0+build2-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-firefox-97.0-build2-0ubuntu1.md) | Feb 8, 2022 |
| Linux | firefox-geckodriver Ubuntu 18.04.6 LTS (bionic) | 97.0+build2-0ubuntu0.18.04.1 | [firefox-geckodriver 97.0+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-geckodriver-97.0-build2-0ubuntu0.18.04.1.md) | Feb 8, 2022 |
| Linux | firefox-geckodriver Ubuntu 20.04 LTS (focal) | 97.0+build2-0ubuntu0.20.04.1 | [firefox-geckodriver 97.0+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-geckodriver-97.0-build2-0ubuntu0.20.04.1.md) | Feb 8, 2022 |
| Linux | firefox-geckodriver Ubuntu 22.04.1 LTS (jammy) | 97.0+build2-0ubuntu1 | [firefox-geckodriver 97.0+build2-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-firefox-geckodriver-97.0-build2-0ubuntu1.md) | Feb 8, 2022 |
| Linux | firefox-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 97.0+build2-0ubuntu0.18.04.1 | [firefox-mozsymbols 97.0+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-mozsymbols-97.0-build2-0ubuntu0.18.04.1.md) | Feb 8, 2022 |
| Linux | firefox-mozsymbols Ubuntu 20.04 LTS (focal) | 97.0+build2-0ubuntu0.20.04.1 | [firefox-mozsymbols 97.0+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-mozsymbols-97.0-build2-0ubuntu0.20.04.1.md) | Feb 8, 2022 |
| Linux | firefox-mozsymbols Ubuntu 22.04.1 LTS (jammy) | 97.0+build2-0ubuntu1 | [firefox-mozsymbols 97.0+build2-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-firefox-mozsymbols-97.0-build2-0ubuntu1.md) | Feb 8, 2022 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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