CVE-2024-26284: mozilla firefox_focus Cross-site Scripting
CVSS: 6.1v3.1MediumModified
Published 22-02-2024Last modified 28-03-2025
Vulnerability summary
CVE-2024-26284 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in mozilla firefox_focus. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 23.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)EPSS score
0.32%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 22-02-2024PublishedVulnerability first disclosed.
- 28-03-2025Last modifiedVulnerability information updated.
Description
Utilizing a 302 redirect, an attacker could have conducted a Universal Cross-Site Scripting (UXSS) on a victim website, if the victim had a link to the attacker's website. This vulnerability affects Focus for iOS < 123.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesAll 2 agree
- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.32%
Chance of exploitation in the next 30 days
Percentile
24%
Versus all other CVEs
30-day change
0.00 pp
From 0.32% on 19-09-2026
19-09-202619-10-2026
EPSS score0.32%
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
Mozilla2 products
- firefox_focus< 123.0
- focus for ios≥ unspecified, < 123
1 vendor · 2 products
References
2 links- www.mozilla.org/security/advisories/mfsa2024-10/Vendor Advisory