CVE-2023-25728

Description

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.

CVSS Metrics

• v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS Trends

Current EPSS score: 0.20%• Percentile: 42%

Techniques & Countermeasures

• CWE-203•Observable Discrepancy

  The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.

Affected Systems

• mozilla•firefox

  < 110.0 | ≥ unspecified, < 110

• mozilla•firefox_esr

  < 102.8 | ≥ unspecified, < 102.8

• mozilla•thunderbird

  < 102.8 | ≥ unspecified, < 102.8

References (4)

• https://www.mozilla.org/security/advisories/mfsa2023-06/
• https://www.mozilla.org/security/advisories/mfsa2023-05/
• https://www.mozilla.org/security/advisories/mfsa2023-07/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1790345