cve.bz

CVE-2021-23899

9.8 criticalEPSS 2.1%

Critical (9.8) in owasp json-sanitizer. EPSS 2.1% chance of exploitation in the next 30 days. Fixed in com.mikesamuel:json-sanitizer 1.2.2.

OWASP json-sanitizer before 1.2.2 may emit closing SCRIPT tags and CDATA section delimiters for crafted input. This allows an attacker to inject arbitrary HTML or XML into embedding documents.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.1% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-31)
CWE
CWE-611
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-mm8j-9x84-m9cvMavencom.mikesamuel:json-sanitizer<1.2.21.2.2

References

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