Cross-site Scripting (XSS) Affecting firefox-esr package, versions <102.3.0esr-1
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Scope
Changed
Threat Intelligence
EPSS
0.12% (46th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN12-FIREFOXESR-3027804
- published 21 Sep 2022
- disclosed 22 Dec 2022
Introduced: 21 Sep 2022
CVE-2022-40956 Open this link in a new tabHow to fix?
Upgrade Debian:12
firefox-esr
to version 102.3.0esr-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox-esr
package and not the firefox-esr
package as distributed by Debian
.
See How to fix?
for Debian:12
relevant fixed versions and status.
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.