Medium severity6.1NVD Advisory· Published Jul 7, 2022· Updated Jun 17, 2026

CVE-2021-44791

Description

In Apache Druid 0.22.1 and earlier, certain specially-crafted links result in unescaped URL parameters being sent back in HTML responses. This makes it possible to execute reflected XSS attacks.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
org.apache.druid:druidMaven	< 0.23.0	0.23.0

Affected products

Apache/Druid
cpe:2.3:a:apache:druid:*:*:*:*:*:*:*:*
Range: <=0.22.1
ghsa-coords
pkg:maven/org.apache.druid/druid
Range: < 0.23.0
Apache Software Foundation/Apache Druidv5
Range: Apache Druid

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-8rmv-98m4-g5c6ghsaADVISORY
lists.apache.org/thread/lh2kcl4j45q7xj4w6rqf6kwf0mvyp2o6nvdMailing ListVendor AdvisoryWEB
nvd.nist.gov/vuln/detail/CVE-2021-44791ghsaADVISORY

News mentions

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cvss	0.397
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000