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MEDIUM severity

CVE-2024-38874 — events2

MEDIUM

CVE-2024-38874 is a medium-severity (CVSS 5.4) CWE-693 vulnerability in jweiland/events2. A fix is available for jweiland/events2 — see the affected versions and patch details below.

events2 TYPO3 extension insecure direct object reference (IDOR) vulnerability

Published
Updated
Affected
2 pkgs
Patched
2 / 2
Exploits
None indexed
Exploitation data as of Nov 4, 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 CVE-2024-38874.

EPSS Exploitation Probability

via FIRST.org ↗
0.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs22th percentile — riskier than 22% of all scored CVEsHighest risk
0.00%0.30%0.61%0.91%0.4%0.3%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

2 pkgs affected
🐘jweiland/events2🐘jweiland/events2

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

An issue was discovered in the events2 (aka Events 2) extension before 8.3.8 and 9.x before 9.0.6 for TYPO3. Missing access checks in the management plugin lead to an insecure direct object reference (IDOR) vulnerability with the potential to activate or delete various events for unauthenticated users.

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistjweiland/events2all versions8.3.8composer require jweiland/events2:^8.3.8
🐘Packagistjweiland/events2≥ 9.0.0&&< 9.0.69.0.6composer require jweiland/events2:^9.0.6

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for jweiland/events2, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update jweiland/events2 to 8.3.8 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2024-38874 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

An issue was discovered in the events2 (aka Events 2) extension before 8.3.8 and 9.x before 9.0.6 for TYPO3. Missing access checks in the management plugin lead to an insecure direct object reference (IDOR) vulnerability with the potential to activate or delete various events for unauthenticated users.
O3 Security · Impact-Aware SCA

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CVE-2024-38874: events2 — Fixed in 8.3.8