No exploitation reportedFix available

CVE-2022-22744

Q: Is CVE-2022-22744 actively exploited?

Active exploitation of CVE-2022-22744 has not been confirmed. Its EPSS score was 1.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-22744?

CVE-2022-22744 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2022-12-22
Fixed in96.0
WeaknessCWE-116

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The constructed curl command from the "Copy as curl" feature in DevTools was not properly escaped for PowerShell. This could have lead to command injection if pasted into a Powershell prompt.<br>*This bug only affects Thunderbird for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

Timeline

dates in UTC

2022-12-2220:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-22744?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-22744?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Mozilla firefoxversion to verify

Branch	Affected	Fixed in	Source
96.0	< 96.0	96.0	NVD

Mozilla firefox esrversion to verify

Branch	Affected	Fixed in	Source
91.5	< 91.5	91.5	NVD

Mozilla thunderbirdversion to verify

Branch	Affected	Fixed in	Source
91.5	< 91.5	91.5	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Mozilla firefox to 96.0

Advisories and patches

www.mozilla.orgVendor Advisory
www.mozilla.orgVendor Advisory
www.mozilla.orgVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-04-16
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.18.82025-04-16
NVDCVSS 3.18.8read 2026-10-23
CISA-ADPweakness (CWE)CWE-1162025-04-16
NVDweakness (CWE)CWE-116read 2026-10-23
FIRST EPSSEPSS score1.4 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2022-12-22
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-22744?

Is CVE-2022-22744 actively exploited?

Active exploitation of CVE-2022-22744 has not been confirmed. Its EPSS score was 1.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-22744?

CVE-2022-22744 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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