CVE-2022-46873: mozilla firefox Injection
Vulnerability summary
CVE-2022-46873 is a high (CVSS 8.8) Injection vulnerability in mozilla firefox. EPSS estimates a 0.72% chance of exploitation in the next 30 days, higher than 53.1% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 22-12-2022PublishedVulnerability first disclosed.
- 15-04-2025Last modifiedVulnerability information updated.
Description
Because Firefox did not implement the <code>unsafe-hashes</code> CSP directive, an attacker who was able to inject markup into a page otherwise protected by a Content Security Policy may have been able to inject executable script. This would be severely constrained by the specified Content Security Policy of the document. This vulnerability affects Firefox < 108.
CVSS metrics
3 scores · 3 sources · 1 version- 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
0.72%
Chance of exploitation in the next 30 days
Percentile
53%
Versus all other CVEs
30-day change
+0.03 pp
From 0.70% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu6 products
- firefox< 108.0+build2-0ubuntu0.18.04.1 | < 108.0+build2-0ubuntu0.20.04.1
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- mozjs68All versions (No fix recorded)
- mozjs78All versions (No fix recorded)
Mozilla1 product
- firefox≥ unspecified, < 108 | < 108.0
2 vendors · 7 products
References
7 links- www.mozilla.org/security/advisories/mfsa2022-51/Vendor Advisory
- bugzilla.mozilla.org/show_bug.cgi?id=1644790Issue Tracking
- security.gentoo.org/glsa/202305-06Vendor Advisory