Vulnerability Details : CVE-2022-34477
The MediaError message property should be consistent to avoid leaking information about cross-origin resources; however for a same-site cross-origin resource, the message could have leaked information enabling XS-Leaks attacks. This vulnerability affects Firefox < 102.
Products affected by CVE-2022-34477
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-34477
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 36 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-34477
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-04-15 |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2022-34477
-
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
References for CVE-2022-34477
-
https://www.mozilla.org/security/advisories/mfsa2022-24/
Security Vulnerabilities fixed in Firefox 102 — MozillaVendor Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1731614
Access DeniedIssue Tracking;Permissions Required;Vendor Advisory
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