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MEDIUM severity

CVE-2020-13674 — core

MEDIUMFix: drupal/core@20cd85d

CVE-2020-13674 is a medium-severity (CVSS 6.5) Cross-Site Request Forgery (CSRF) vulnerability in drupal/core. A fix is available for drupal/core — see the affected versions and patch details below.

Cross-Site Request Forgery in Drupal core

Also known asBIT-drupal-2020-13674DRUPAL-CORE-2021-007GHSA-j586-cj67-vg4p
Published
Updated
Affected
3 pkgs
Patched
3 / 3
Exploits
None indexed
Exploitation data as of Oct 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.5%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs38th percentile — riskier than 38% of all scored CVEsHighest risk
0.00%0.32%0.64%0.96%0.1%0.5%Apr 26Aug 26Oct 26

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

How urgent is this, really

CVE-2020-13674 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,386 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

3 pkgs affected
🐘drupal/core🐘drupal/core🐘drupal/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

The QuickEdit module does not properly validate access to routes, which could allow cross-site request forgery under some circumstances and lead to possible data integrity issues. Sites are only affected if the QuickEdit module (which comes with the Standard profile) is installed. Removing the "access in-place editing" permission from untrusted users will not fully mitigate the vulnerability.

Affected Packages

3 total 3 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistdrupal/core≥ 8.0.0&&< 8.9.198.9.19composer require drupal/core:^8.9.19
🐘Packagistdrupal/core≥ 9.1.0&&< 9.1.139.1.13composer require drupal/core:^9.1.13
🐘Packagistdrupal/core≥ 9.2.0&&< 9.2.69.2.6composer require drupal/core:^9.2.6

Affected Products

1 product · 3 configurations
Application
drupaldrupal
≥ 9.2.0 && < 9.2.6
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

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

  2. Fix

    Update drupal/core to 8.9.19 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2020-13674 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

The QuickEdit module does not properly validate access to routes, which could allow cross-site request forgery under some circumstances and lead to possible data integrity issues. Sites are only affected if the QuickEdit module (which comes with the Standard profile) is installed. Removing the "access in-place editing" permission from untrusted users will not fully mitigate the vulnerability.
O3 Security · Impact-Aware SCA

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CVE-2020-13674: core CSRF — Fixed in 8.9.19