CVE-2023-5727: mozilla firefox
Vulnerability summary
CVE-2023-5727 is a medium (CVSS 6.5) vulnerability in mozilla firefox. EPSS estimates a 0.87% chance of exploitation in the next 30 days, higher than 58.3% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 10 · Related 11Timeline
- 24-10-2023PublishedVulnerability first disclosed.
- 11-09-2024Last modifiedVulnerability information updated.
Description
The executable file warning was not presented when downloading .msix, .msixbundle, .appx, and .appxbundle files, which can run commands on a user's computer. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
CVSS metrics
2 scores · 2 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS trend
Probability
0.87%
Chance of exploitation in the next 30 days
Percentile
58%
Versus all other CVEs
30-day change
0.00 pp
From 0.87% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu7 products
- mozjs102All versions (No fix recorded)
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- mozjs68All versions (No fix recorded)
- mozjs78All versions (No fix recorded)
Mozilla3 products
- firefox≥ unspecified, < 119 | < 119.0
- firefox_esr≥ unspecified, < 115.4 | < 115.4
- thunderbird≥ unspecified, < 115.4.1 | < 115.4.1
Chainguard1 product
- firefox-esr< 119.0-r0
3 vendors · 11 products