How severe is GHSA-wq43-8r5p-w3mc?

No CVSS score has been assigned to GHSA-wq43-8r5p-w3mc yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by GHSA-wq43-8r5p-w3mc?

GHSA-wq43-8r5p-w3mc affects the following packages: contao/core (Packagist), contao/core (Packagist). Ecosystems affected: Packagist.

How do I fix GHSA-wq43-8r5p-w3mc?

Update contao/core to 2.11.14 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-wq43-8r5p-w3mc is resolved across your whole dependency graph.

How do I detect GHSA-wq43-8r5p-w3mc in my Packagist dependencies?

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

How do I mitigate GHSA-wq43-8r5p-w3mc if there is no patch (or I can't update yet)?

Do not deserialise data from untrusted sources: where the format allows it, restrict deserialisation to an explicit allowlist of expected types, and prefer a data-only format (JSON, Protobuf) over one that can reconstruct arbitrary objects until you can upgrade.

Is GHSA-wq43-8r5p-w3mc actively exploited in the wild?

No public exploit code has been indexed for GHSA-wq43-8r5p-w3mc yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

When was GHSA-wq43-8r5p-w3mc published, and has it been updated?

GHSA-wq43-8r5p-w3mc was published on May 15, 2024 and was last updated on November 29, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐘 Packagist

Not in CISA KEV

contao/core PHP object injection vulnerability allows for arbitrary code executionGHSA-wq43-8r5p-w3mc

Fix: contao/core@d67c46c

GHSA-wq43-8r5p-w3mc is a remote code execution vulnerability in contao/core. A fix is available for contao/core — see the affected versions and patch details below.

Published

May 15, 2024

Updated

Nov 29, 2024

Affected

2 pkgs

Patched

2 / 2

Exploits

None indexed

Exploitation data as of Nov 29, 2024 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

2 pkgs affected

🐘contao/core🐘contao/core

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

PHP object injection vulnerability was identified in contao/core due to untrusted data being passed to deserialize() function.

Affected Packages

2 total 2 fixed

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`contao/core`	≥ 2.0.0&&< 2.11.14	2.11.14`composer require contao/core:^2.11.14`
🐘Packagist	`contao/core`	≥ 3.0.0&&< 3.2.5	3.2.5`composer require contao/core:^3.2.5`

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for contao/core, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update contao/core to 2.11.14 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-wq43-8r5p-w3mc is resolved across your whole dependency graph.
Workarounds
Do not deserialise data from untrusted sources: where the format allows it, restrict deserialisation to an explicit allowlist of expected types, and prefer a data-only format (JSON, Protobuf) over one that can reconstruct arbitrary objects until you can upgrade.

Frequently Asked Questions

PHP object injection vulnerability was identified in contao/core due to untrusted data being passed to `deserialize()` function.

O3 Security · Impact-Aware SCA

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