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CRITICAL severity

CVE-2021-23264 — crafter-search

CRITICALFix: craftercms/craftercms@0e256ef

CVE-2021-23264 is a critical-severity (CVSS 9.1) CWE-402 vulnerability in org.craftercms:crafter-search. A fix is available for org.craftercms:crafter-search — see the affected versions and patch details below.

Exposure of Resource to Wrong Sphere in org.craftercms:crafter-search

Also known asGHSA-2wr2-8qjq-gh55
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.2%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs67th percentile — riskier than 67% of all scored CVEsHighest risk
0.59%0.95%1.31%1.68%1.1%1.2%Apr 26Aug 26Oct 26

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

How urgent is this, really

CVE-2021-23264 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,738 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected
☕org.craftercms:crafter-search

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

Description

Installations, where crafter-search is not protected, allow unauthenticated remote attackers to create, view, and delete search indexes.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.craftercms:crafter-search≥ 3.1.0&&< 3.1.153.1.15org.craftercms:crafter-search:3.1.15

Affected Products

1 product · 1 configurations
Application
crafter cmscraftercms
≥ 3.1.0 && < 3.1.15
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 org.craftercms:crafter-search, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.craftercms:crafter-search to 3.1.15 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2021-23264 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

Installations, where crafter-search is not protected, allow unauthenticated remote attackers to create, view, and delete search indexes.
O3 Security · Impact-Aware SCA

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CVE-2021-23264: crafter-search — Fixed in 3.1.15