Dashboard / CVE-2023-4045

CVE-2023-4045

MEDIUM
MEDIUM Priority: 0.03 BB Relevance: 71/100
Published: 2023-08-01 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

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

Description

Offscreen Canvas did not properly track cross-origin tainting, which could have been used to access image data from another site in violation of same-origin policy. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

Weakness Classification (1)

Affected Software (5)

VendorProductVersion
debian debian_linux 11.0
debian debian_linux 12.0
mozilla firefox < 116.0
mozilla firefox 102.0 – 102.14
mozilla firefox 115.0 – 115.1

References & Advisories (8)

https://bugzilla.mozilla.org/show_bug.cgi?id=1833876
Issue Tracking Permissions Required

Bug Bounty Relevance

71 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

5.3 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS — Exploitation Probability

0.59%
Raw Score 0.005890
Percentile 48.1%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00589
2026-10-28
0.00594

Intelligence Sources

nvd ref →

External Links