CVE-2023-0519

Cross-site Scripting (XSS) - Stored in modoboa/modoboa

7.1 HighFix available

Cross-site Scripting (XSS) - Stored in GitHub repository modoboa/modoboa prior to 2.0.4.

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: Low

Exploit likelihood

0.50%Down 0.4 points since Jan 27, 2023

What each source reports

CVE List Score used 7.1

Cross-site Scripting (XSS) - Stored in modoboa/modoboa

Cross-site Scripting (XSS) - Stored in GitHub repository modoboa/modoboa prior to 2.0.4.

Record: CVE-2023-0519
CVSS 3.0: 7.1 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2023-0167 7.1

Cross-site Scripting (XSS) - Stored in GitHub repository modoboa/modoboa prior to 2.0.4.

Record: EUVD-2023-0167
CVSS 3.0: 7.1 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-jm3m-wr3p-hjrq 5.1

Cross-site Scripting in modoboa

Cross-site Scripting (XSS) - Stored in GitHub repository modoboa/modoboa prior to 2.0.4.

Record: GHSA-jm3m-wr3p-hjrq
CVSS 4.0: 5.1 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CVSS 3.0: 7.1 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

NVD 5.4

Cross-site Scripting (XSS) - Stored in GitHub repository modoboa/modoboa prior to 2.0.4.

Record: CVE-2023-0519
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 3.0: 7.1 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

OSV 7.1

Cross-site Scripting (XSS) - Stored in modoboa/modoboa

Cross-site Scripting (XSS) - Stored in GitHub repository modoboa/modoboa prior to 2.0.4.

Record: CVE-2023-0519
CVSS 3.0: 7.1 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

OSVGHSA-jm3m-wr3p-hjrq 5.1

Cross-site Scripting in modoboa

Cross-site Scripting (XSS) - Stored in GitHub repository modoboa/modoboa prior to 2.0.4.

Record: GHSA-jm3m-wr3p-hjrq
CVSS 4.0: 5.1 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CVSS 3.0: 7.1 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

OSVPYSEC-2023-31 No score

Cross-site Scripting (XSS) - Stored in GitHub repository modoboa/modoboa prior to 2.0.4.

Record: PYSEC-2023-31
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`modoboa` PyPI	before 2.0.4	2.0.4
`modoboa` PyPI	before 2.0.4, plus listed versions 0.7.01.10.01.10.11.10.21.10.3 Show 45 moreShow less 1.10.41.10.51.10.61.10.71.11.01.11.11.12.01.12.11.12.21.13.01.13.11.14.01.15.01.16.01.16.11.17.01.2.01.2.0-rc21.2.11.2.21.3.01.3.11.3.21.3.31.3.41.3.51.4.11.4.21.4.31.4.41.4.51.5.01.5.11.5.21.5.31.6.01.6.11.6.21.6.31.7.01.7.11.7.21.7.31.7.41.8.0	2.0.4
`modoboa` PyPI	before 2.0.4, plus listed versions 0.7.01.10.01.10.11.10.21.10.3 Show 45 moreShow less 1.10.41.10.51.10.61.10.71.11.01.11.11.12.01.12.11.12.21.13.01.13.11.14.01.15.01.16.01.16.11.17.01.2.01.2.0-rc21.2.11.2.21.3.01.3.11.3.21.3.31.3.41.3.51.4.11.4.21.4.31.4.41.4.51.5.01.5.11.5.21.5.31.6.01.6.11.6.21.6.31.7.01.7.11.7.21.7.31.7.41.8.0	2.0.4

History

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

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

In short

CVE-2023-0519 is a high vulnerability (CVSS 7.1) in Modoboa, published January 26, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.50%, the 43rd percentile. Fixed in modoboa 2.0.4.

References

This page doesn't list everything

Left out here: 57 versions. The JSON record has them.