CVE-2021-23899

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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://groups.google.com/g/json-sanitizer-support/c/dAW1AeNMoA0	Third Party Advisory
https://github.com/OWASP/json-sanitizer/compare/v1.2.1...v1.2.2	Patch Third Party Advisory
https://github.com/OWASP/json-sanitizer/commit/a37f594f7378a1c76b3283e0dab9e1ab1dc0247e	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:owasp:json-sanitizer:*:*:*:*:*:*:*:*

Information

Published : 2021-01-13 08:15

Updated : 2021-01-19 10:45

NVD link : CVE-2021-23899

Mitre link : CVE-2021-23899

JSON object : View

CWE

CWE-611

Improper Restriction of XML External Entity Reference

Products Affected

owasp

json-sanitizer

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://groups.google.com/g/json-sanitizer-support/c/dAW1AeNMoA0", "name": "https://groups.google.com/g/json-sanitizer-support/c/dAW1AeNMoA0", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/OWASP/json-sanitizer/compare/v1.2.1...v1.2.2", "name": "https://github.com/OWASP/json-sanitizer/compare/v1.2.1...v1.2.2", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/OWASP/json-sanitizer/commit/a37f594f7378a1c76b3283e0dab9e1ab1dc0247e", "name": "https://github.com/OWASP/json-sanitizer/commit/a37f594f7378a1c76b3283e0dab9e1ab1dc0247e", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-611"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-23899", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}}, "publishedDate": "2021-01-13T16:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:owasp:json-sanitizer:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.2.2"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-01-19T18:45Z"}

9.8 /10