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MEDIUM severity

Cross-Site Request Forgery in modoboaGHSA-9c64-x3cx-vgmm

MEDIUMFix: modoboa/modoboa@38d778c

GHSA-9c64-x3cx-vgmm is a medium-severity (CVSS 5.4) Cross-Site Request Forgery (CSRF) vulnerability in modoboa. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. A fix is available for modoboa — see the affected versions and patch details below.

Also known asCVE-2023-0438PYSEC-2023-284
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
1 known
Exploitation data as of Nov 9, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

Proof-of-concept exploit code exists

  • CISA’s SSVC triage found public proof-of-concept exploit code for this CVE, though no confirmed active exploitation.

Exploitation and automatability from CISA’s SSVC triage for GHSA-9c64-x3cx-vgmm.

EPSS Exploitation Probability

via FIRST.org ↗
0.4%probability of exploitation in next 30 days
Lower Risk+0.01%
Lower risk than most CVEs29th percentile — riskier than 29% of all scored CVEsHighest risk
0.00%0.28%0.57%0.85%0.2%0.4%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐍modoboa

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

Cross-Site Request Forgery (CSRF) in GitHub repository modoboa/modoboa prior to 2.0.4.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPImodoboaall versions2.0.4pip install --upgrade 'modoboa==2.0.4'

Affected Products

1 product · 1 configurations
Application
modoboamodoboa
< 2.0.4
range
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Cross-Site Request Forgery (CSRF) in GitHub repository modoboa/modoboa p…

huntr.devNVDJan 2023

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for modoboa, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update modoboa to 2.0.4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-9c64-x3cx-vgmm is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

Cross-Site Request Forgery (CSRF) in GitHub repository modoboa/modoboa prior to 2.0.4.
O3 Security · Impact-Aware SCA

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Cross-Site Request Forgery in modoboa (Medium 5.4)