Vulnerability · Published Jul 5, 2023 · Assigned by mozilla
CVE-2023-3482
Medium 6.5
In plain English
A medium-severity security flaw in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)0.6%top 52.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
When Firefox is configured to block storage of all cookies, it was still possible to store data in localstorage by using an iframe with a source of 'about:blank'. This could have led to malicious websites storing tracking data without permission. This vulnerability affects Firefox < 115.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | firefox-esr | 115.0-r0 | ALPINE-CVE-2023-3482 |
| Alpine:v3.21 | firefox-esr | 115.0-r0 | ALPINE-CVE-2023-3482 |
| Alpine:v3.22 | firefox-esr | 115.0-r0 | ALPINE-CVE-2023-3482 |
| Alpine:v3.23 | firefox-esr | 115.0-r0 | ALPINE-CVE-2023-3482 |