Is CVE-2022-22755 in the CISA KEV catalog?

No. CVE-2022-22755 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-22755?

CVE-2022-22755 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2022-22755?

CVE-2022-22755 has an EPSS score of 0.59% (44th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-22755?

Upgrade firefox on debian unstable to 97.0-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2022-22755

HIGH

8.8

CVSS v3

NVD

Description

By using XSL Transforms, a malicious webserver could have served a user an XSL document that would continue to execute JavaScript (within the bounds of the same-origin policy) even after the tab was closed. This vulnerability affects Firefox < 97.

CWE-672

How to fix

Remediation Available

firefoxDebian

Fixed in:97.0-1CVE-2022-22755

firefoxUbuntu

Fixed in:97.0+build2-0ubuntu0.18.04.1USN-5284-1

Fixed in:97.0+build2-0ubuntu0.20.04.1USN-5284-1

DeveloperEditionWindows application

Affected:97.0Fixed in:97.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:97.0Fixed in:97.0Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.59%probability of exploitation in 30 days

44thpercentile

Moderate risk: more likely to be exploited than 44% of all known CVEs.

References

Vendor Advisory2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-04-16.