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CRITICAL severity

Dolibarr remote PHP code executionGHSA-vxr9-p2xw-m8cf

CRITICAL

GHSA-vxr9-p2xw-m8cf is a critical-severity (CVSS 9.8) Code Injection vulnerability in dolibarr/dolibarr. 3 public exploit or proof-of-concept references are indexed, so weaponization risk is real. A fix is available for dolibarr/dolibarr — see the affected versions and patch details below.

Also known asBIT-dolibarr-2021-33816CVE-2021-33816
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
3 known
Exploitation data as of Nov 6, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
3.9%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs90th percentile — riskier than 90% of all scored CVEsHighest risk
2.07%2.86%3.65%4.44%2.6%3.9%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
🐘dolibarr/dolibarr

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

Description

The website builder module in Dolibarr 13.0.2 allows remote PHP code execution because of an incomplete protection mechanism in which system, exec, and shell_exec are blocked but backticks are not blocked.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistdolibarr/dolibarr≥ 13.0.2&&< 14.0.014.0.0composer require dolibarr/dolibarr:^14.0.0

Affected Products

1 product · 1 configurations
Application
dolibarr erp\/crmdolibarr
1 version
13.0.2
Exploits & PoCs
3

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

The website builder module in Dolibarr 13.0.2 allows remote PHP code exe…

trovent.ioNVDNov 2021

Report on trovent.github.io

trovent.github.ioNVDNov 2021

Report on seclists.org

seclists.orgNVDNov 2021

Detection & mitigation playbook

Open-source dependency

  1. Detect

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

  2. Fix

    Update dolibarr/dolibarr to 14.0.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-vxr9-p2xw-m8cf is resolved across your whole dependency graph.

  3. Workarounds

    Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does.

Frequently Asked Questions

The website builder module in Dolibarr 13.0.2 allows remote PHP code execution because of an incomplete protection mechanism in which system, exec, and shell_exec are blocked but backticks are not blocked.
O3 Security · Impact-Aware SCA

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Dolibarr remote PHP code execution (Critical 9.8)