CVE-2023-5487

Name: CVE-2023-5487
Creator: NVD / NIST
Published: 2023-10-11T23:15:11.11+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.64%

Last modified Jun 17, 2026

CVE-2023-5487 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Inappropriate implementation in Fullscreen in Google Chrome prior to 118.0.5993.70 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension. (Chromium security severity: Medium). EPSS estimates a 0.64% chance of exploitation in the next 30 days.

Description

Inappropriate implementation in Fullscreen in Google Chrome prior to 118.0.5993.70 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension. (Chromium security severity: Medium)

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.64%

45.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Google	Chrome	< 118.0.5993.70
Fedoraproject	Fedora	37
Fedoraproject	Fedora	38

References

https://chromereleases.googleblog.com/2023/10/stable-channel-update-for-desktop_10.htmlRelease Notes, Vendor Advisory
https://crbug.com/1062251Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F5QCMP6KKWPDZZLFU7YXSZDHEKOE7BXO/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M4GHJ3FK5NPHDRUR4OJOI4UU6FKSOOGG/Mailing List, Third Party Advisory
https://security.gentoo.org/glsa/202311-11Third Party Advisory
https://security.gentoo.org/glsa/202312-07Third Party Advisory
https://security.gentoo.org/glsa/202401-34
https://www.debian.org/security/2023/dsa-5526Third Party Advisory
https://chromereleases.googleblog.com/2023/10/stable-channel-update-for-desktop_10.htmlRelease Notes, Vendor Advisory
https://crbug.com/1062251Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F5QCMP6KKWPDZZLFU7YXSZDHEKOE7BXO/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M4GHJ3FK5NPHDRUR4OJOI4UU6FKSOOGG/Mailing List, Third Party Advisory
https://security.gentoo.org/glsa/202311-11Third Party Advisory
https://security.gentoo.org/glsa/202312-07Third Party Advisory
https://security.gentoo.org/glsa/202401-34
https://www.debian.org/security/2023/dsa-5526Third Party Advisory

Timeline

Published: Oct 11, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-5487?

How severe is CVE-2023-5487?

CVE-2023-5487 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5487?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-5487?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST