CVE-2023-5590

NULL Pointer Dereference in seleniumhq/selenium

7.5 HighFix available

NULL Pointer Dereference in GitHub repository seleniumhq/selenium prior to 4.14.0.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

1.01%Up 1.0 points since Oct 16, 2023

What each source reports

CVE List Score used 7.5

NULL Pointer Dereference in seleniumhq/selenium

NULL Pointer Dereference in GitHub repository seleniumhq/selenium prior to 4.14.0.

Record: CVE-2023-5590
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-476
Updated: 2026-11-02

EUVDEUVD-2023-0238 7.5

NULL Pointer Dereference in GitHub repository seleniumhq/selenium prior to 4.14.0.

Record: EUVD-2023-0238
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-4phc-fq33-39gx 7.5

NULL Pointer Dereference in GitHub repository seleniumhq/selenium prior to 4.14.0.

NULL Pointer Dereference in GitHub repository seleniumhq/selenium prior to 4.14.0.

Record: GHSA-4phc-fq33-39gx
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-476
Updated: 2026-11-02

NVD 7.5

NULL Pointer Dereference in GitHub repository seleniumhq/selenium prior to 4.14.0.

Record: CVE-2023-5590
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-476
Updated: 2026-11-02

OSV 7.5

NULL Pointer Dereference in seleniumhq/selenium

NULL Pointer Dereference in GitHub repository seleniumhq/selenium prior to 4.14.0.

Record: CVE-2023-5590
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-476
Updated: 2026-11-02

OSVPYSEC-2023-206 7.5

NULL Pointer Dereference in GitHub repository seleniumhq/selenium prior to 4.14.0.

Record: PYSEC-2023-206
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`selenium` PyPI	before 4.14.0, plus listed versions 0.9.21.0.11.0.32.0-dev2.0-dev-9138 Show 45 moreShow less 2.0-dev-92122.0-dev-92312.0-dev-92842.0-dev-93062.0-dev-93072.0-dev-93102.0-dev-93382.0-dev-93402.0-dev-93412.0-dev-94292.0.02.0.12.0a52.0b22.0b32.0b3dev2.0b4dev2.0dev12.0dev22.0dev32.0dev42.0dev52.0dev62.0rc12.0rc22.0rc32.1.02.10.02.11.02.11.12.12.02.12.12.13.02.13.12.14.02.15.02.16.02.17.02.18.12.19.02.19.12.2.02.20.02.21.02.21.1	4.14.0

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-5590 is a high vulnerability (CVSS 7.5) in Selenium, published October 15, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.01%, the 63rd percentile. Fixed in selenium 4.14.0.

References

This page doesn't list everything

Left out here: 137 versions. The JSON record has them.