CVE-2022-40956
Mozilla: Content-Security-Policy base-uri bypass
Severity Score
6.1
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
When injecting an HTML base element, some requests would ignore the CSP's base-uri settings and accept the injected element's base instead. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.
Al inyectar un elemento base HTML, algunas solicitudes ignorarían la configuración de uri base del CSP y aceptarían la base del elemento inyectado. Esta vulnerabilidad afecta a Firefox ESR < 102.3, Thunderbird < 102.3 y Firefox < 105.
A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue that when injecting an HTML base element; some requests would ignore the CSP's base-uri settings and accept the injected element's base instead.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2022-09-19 CVE Reserved
- 2022-09-27 CVE Published
- 2024-07-14 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- CWE-1021: Improper Restriction of Rendered UI Layers or Frames
CAPEC
References (5)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.mozilla.org/security/advisories/mfsa2022-40 | 2022-12-30 | |
| https://www.mozilla.org/security/advisories/mfsa2022-41 | 2022-12-30 | |
| https://www.mozilla.org/security/advisories/mfsa2022-42 | 2022-12-30 | |
| https://access.redhat.com/security/cve/CVE-2022-40956 | 2022-09-26 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2128795 | 2022-09-26 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Mozilla Search vendor "Mozilla" | Firefox Search vendor "Mozilla" for product "Firefox" | < 105.0 Search vendor "Mozilla" for product "Firefox" and version " < 105.0" | - |
Affected
| ||||||
| Mozilla Search vendor "Mozilla" | Firefox Esr Search vendor "Mozilla" for product "Firefox Esr" | < 102.3 Search vendor "Mozilla" for product "Firefox Esr" and version " < 102.3" | - |
Affected
| ||||||
| Mozilla Search vendor "Mozilla" | Thunderbird Search vendor "Mozilla" for product "Thunderbird" | < 102.3 Search vendor "Mozilla" for product "Thunderbird" and version " < 102.3" | - |
Affected
| ||||||