CVE-2022-22755: mozilla firefox
CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2022-22755
Published 22-12-2022Last modified 16-04-2025
Vulnerability summary
CVE-2022-22755 is a high (CVSS 8.8) vulnerability in mozilla firefox. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.7% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
0.60%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 22-12-2022PublishedVulnerability first disclosed.
- 16-04-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.60%
Chance of exploitation in the next 30 days
Percentile
48%
Versus all other CVEs
30-day change
+0.02 pp
From 0.59% on 19-09-2026
19-09-202619-10-2026
EPSS score0.60%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mozilla1 product
- firefox≥ unspecified, < 97 | < 97.0
Ubuntu1 product
- firefox< 97.0+build2-0ubuntu0.18.04.1 | < 97.0+build2-0ubuntu0.20.04.1 | < 97.0+build2-0ubuntu1
2 vendors · 2 products
References
6 links- www.mozilla.org/security/advisories/mfsa2022-04/Vendor Advisory