PT-2022-3465 · Mozilla+10 · Thunderbird+11
Gertjan
·
Published
2022-06-01
·
Updated
2024-12-12
·
CVE-2022-31744
CVSS v3.1
6.5
Medium
| Vector | AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
Name of the Vulnerable Software and Affected Versions
Firefox ESR versions prior to 91.11
Thunderbird versions prior to 102
Thunderbird versions prior to 91.11
Firefox versions prior to 101
Description
An attacker could have injected CSS into stylesheets accessible via internal URIs, such as
resource:, and in doing so bypass a page's Content Security Policy. This issue is related to an error in processing CSS stylesheets accessible through internal URIs. Exploitation of this issue may allow a remote attacker to bypass the implemented Content Security Policy.Recommendations
For Firefox ESR versions prior to 91.11, update to version 91.11 or later.
For Thunderbird versions prior to 102, update to version 102 or later.
For Thunderbird versions prior to 91.11, update to version 91.11 or later.
For Firefox versions prior to 101, update to version 101 or later.
As a temporary workaround, consider disabling access to internal URIs, such as
resource:, until a patch is available.Exploit
Fix
Special Elements Injection
XSS
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Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Firefox
Linuxmint
Red Hat
Red Os
Rocky Linux
Suse
Thunderbird
Ubuntu