CVE-2023-25728

MEDIUM
MEDIUM Priority: 0.04 BB Relevance: 63/100
Published: 2023-06-02 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth Conf. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Required
S: Unchanged
C: High
I: None
A: None

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.

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
mozilla firefox < 110.0
mozilla firefox_esr < 102.8
mozilla thunderbird < 102.8

Bug Bounty Relevance

63 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS — Exploitation Probability

0.67%
Raw Score 0.006720
Percentile 52.0%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00672
2026-10-28
0.00672

Intelligence Sources

nvd ref →