CVE-2025-0244: mozilla firefox Open Redirect
CVSS: 5.3v3.1MediumModified
AliasesCGA-5wmv-vgf3-5vqhCGA-h85c-vxq6-7wcqCGA-2h43-w55q-9r99CGA-qfq3-8cp9-vxr2
Published 07-01-2025Last modified 13-04-2026
Vulnerability summary
CVE-2025-0244 is a medium (CVSS 5.3) Open Redirect vulnerability in mozilla firefox. EPSS estimates a 7.39% chance of exploitation in the next 30 days, higher than 94.3% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)EPSS score
7.39%
0%100%
Low · +0.85 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Related 5Timeline
- 07-01-2025PublishedVulnerability first disclosed.
- 13-04-2026Last modifiedVulnerability information updated.
Description
When redirecting to an invalid protocol scheme, an attacker could spoof the address bar. *Note: This issue only affected Android operating systems. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 134.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 5.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NSourcesAll 4 agree
- OSV · WolfiEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- OSV · ChainguardEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
7.39%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
+0.85 pp
From 6.54% on 19-09-2026
19-09-202619-10-2026
EPSS score7.39%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard2 products
- firefox< 134.0-r0
- firefox-esr< 134-r0
Mozilla1 product
- firefox< 134.0
Wolfi1 product
- firefox< 134.0-r0
3 vendors · 4 products