CVE-2024-4776: mozilla firefox Cross-site Scripting
CVSS: 8.2v3.1HighAnalyzed
AliasesUBUNTU-CVE-2024-4776CGA-hv83-w4m4-prq6CGA-jr7f-66jf-w53j
Published 14-05-2024Last modified 01-08-2024
Vulnerability summary
CVE-2024-4776 is a high (CVSS 8.2) Cross-site Scripting vulnerability in mozilla firefox. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 34.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.2/10
010
High · v3.1 (CVE.org)EPSS score
0.42%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 3 · Related 4Timeline
- 14-05-2024PublishedVulnerability first disclosed.
- 01-08-2024Last modifiedVulnerability information updated.
Description
A file dialog shown while in full-screen mode could have resulted in the window remaining disabled. This vulnerability affects Firefox < 126.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 8.2Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:H
- NVDNIST8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:H
EPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
35%
Versus all other CVEs
30-day change
0.00 pp
From 0.42% on 19-09-2026
19-09-202619-10-2026
EPSS score0.42%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugzilla.mozilla.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Ubuntu7 products
- firefox< 126.0+build2-0ubuntu0.20.04.1
- mozjs102All versions (No fix recorded)
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- mozjs68All versions (No fix recorded)
Chainguard1 product
- firefox-esr< 126-r0
Mozilla1 product
- firefox≥ unspecified, < 126 | < 126.0
3 vendors · 9 products