Is CVE-2023-5726 in the CISA KEV catalog?

No. CVE-2023-5726 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-5726?

CVE-2023-5726 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2023-5726?

CVE-2023-5726 has an EPSS score of 0.60% (44th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-5726?

Upgrade DeveloperEdition to 119.0 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2023-5726

MEDIUM

4.3

CVSS v3

NVD

Description

A website could have obscured the full screen notification by using the file open dialog. This could have led to user confusion and possible spoofing attacks. *Note: This issue only affected macOS operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

How to fix

Remediation Available

DeveloperEditionWindows application

Affected:119.0Fixed in:119.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:119.0Fixed in:119.0Mozilla

Mozilla Firefox ESR (en-US)Windows application

Affected:115.4Fixed in:115.4Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:115.4.1Fixed in:115.4.1Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Exploit Intelligence

0.60%probability of exploitation in 30 days

44thpercentile

Moderate risk: more likely to be exploited than 44% of all known CVEs.

References

Vendor Advisory4

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Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.