7.8

CVE-2024-26283: mozilla firefox

CVSS: 7.8v3.1HighAnalyzed
AliasesCGA-f3fq-cj93-m4wrCGA-wf5v-ffcp-wg79
Published 22-02-2024Last modified 29-08-2024
Open JSON

Vulnerability summary

CVE-2024-26283 is a high (CVSS 7.8) vulnerability in mozilla firefox. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 18.9% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.28%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 1
CGA-HXVV-FQW7-8JPH

Timeline

  1. 22-02-2024
    PublishedVulnerability first disclosed.
  2. 29-08-2024
    Last modifiedVulnerability information updated.

Description

An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when opening an external URL with a custom Firefox scheme. This vulnerability affects Firefox for iOS < 123.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

0.00 pp

From 0.28% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.28%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Mozilla2 products
Chainguard1 product
  • firefox-esr< 123-r0

2 vendors · 3 products

References

2 links