The <code>Content-Security-Policy-Report-Only</code> header could allow an attacker to leak a child iframe's unredacted URI when interaction with that iframe triggers a redirect. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
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.
Link | Tags |
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https://www.mozilla.org/security/advisories/mfsa2023-06/ | vendor advisory |
https://www.mozilla.org/security/advisories/mfsa2023-05/ | vendor advisory |
https://www.mozilla.org/security/advisories/mfsa2023-07/ | vendor advisory |
https://bugzilla.mozilla.org/show_bug.cgi?id=1790345 | issue tracking permissions required |