CVE-2023-4913

Cross-site Scripting (XSS) - Reflected in cecilapp/cecil

6.1 MediumFix available

Cross-site Scripting (XSS) - Reflected in GitHub repository cecilapp/cecil prior to 7.47.1.

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.55%Up 0.5 points since Sep 13, 2023

What each source reports

CVE List Score used 6.1

Cross-site Scripting (XSS) - Reflected in cecilapp/cecil

Cross-site Scripting (XSS) - Reflected in GitHub repository cecilapp/cecil prior to 7.47.1.

Record: CVE-2023-4913
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2023-2559 6.1

Cross-site Scripting (XSS) - Reflected in GitHub repository cecilapp/cecil prior to 7.47.1.

Record: EUVD-2023-2559
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-p9q8-7x22-5x77 6.1

Cecil Cross-site Scripting vulnerability

Cross-site Scripting (XSS) - Reflected in GitHub repository cecilapp/cecil prior to 7.47.1.

Record: GHSA-p9q8-7x22-5x77
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

NVD 6.1

Cross-site Scripting (XSS) - Reflected in GitHub repository cecilapp/cecil prior to 7.47.1.

Record: CVE-2023-4913
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSV 6.1

Cross-site Scripting (XSS) - Reflected in cecilapp/cecil

Cross-site Scripting (XSS) - Reflected in GitHub repository cecilapp/cecil prior to 7.47.1.

Record: CVE-2023-4913
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSVGHSA-p9q8-7x22-5x77 6.1

Cecil Cross-site Scripting vulnerability

Cross-site Scripting (XSS) - Reflected in GitHub repository cecilapp/cecil prior to 7.47.1.

Record: GHSA-p9q8-7x22-5x77
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`cecil/cecil` Packagist	before 7.47.1	7.47.1
`cecil/cecil` Packagist	before 7.47.1, plus listed versions 1.0.0-alpha.11.0.0-alpha.22.0.02.0.0-beta.12.0.0-beta.2 Show 45 moreShow less 2.0.0-beta.32.0.0-beta.42.0.0-beta.52.0.0-rc.12.0.0-rc.102.0.0-rc.112.0.0-rc.122.0.0-rc.132.0.0-rc.142.0.0-rc.152.0.0-rc.162.0.0-rc.172.0.0-rc.182.0.0-rc.192.0.0-rc.22.0.0-rc.202.0.0-rc.212.0.0-rc.222.0.0-rc.232.0.0-rc.242.0.0-rc.252.0.0-rc.262.0.0-rc.272.0.0-rc.32.0.0-rc.42.0.0-rc.52.0.0-rc.62.0.0-rc.72.0.0-rc.82.0.0-rc.92.1.02.2.02.3.02.3.12.3.22.3.32.3.42.3.53.0.03.0.13.0.23.1.03.10.03.11.03.11.1	7.47.1

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-2023-4913 is a medium vulnerability (CVSS 6.1) in Cecil, published September 12, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.55%, the 46th percentile. Fixed in cecil/cecil 7.47.1.

References

This page doesn't list everything

Left out here: 669 versions. The JSON record has them.