CVE-2023-0519

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

7.1 HighFix available

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 0.51%, the 44th percentile. Fixed in modoboa 2.0.4.

What does this mean?

Severity: 7.1 HighCVSS 3.0, CVE List
Exploit chance: 0.51%EPSS, 44th percentile
Exploitation: None knownNot on CISA’s or ENISA’s lists
Fixed in: 2.0.4modoboa +2 more

Description

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

0.51%Down 0.4 points since Jan 27, 2023

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

What each source reports

CVE List Score used7.1

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-2023-01677.1

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-hjrq5.1

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

NVD5.4

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

OSV7.1

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: 2026-11-11

OSVGHSA-jm3m-wr3p-hjrq5.1

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-2023-31No score

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

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

History

History
Recorded	Changed	Sources
Nov 11, 2026	facts	OSV
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

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

References

This page doesn't list everything

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