CVE-2021-42576

The bluemonday sanitizer before 1.0.16 for Go, and before 0.0.8 for Python (in pybluemonday), does not properly enforce policies associated with the SELECT, STYLE, and OPTION elements.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

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

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://docs.google.com/document/d/11SoX296sMS0XoQiQbpxc5pNxSdbJKDJkm5BDv0zrX50/	Exploit Third Party Advisory
https://docs.google.com/document/d/11SoX296sMS0XoQiQbpxc5pNxSdbJKDJkm5BDv0zrX50/	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:microco:bluemonday:*:*:*:*:*:go:*:*

Configuration 2 (hide)

cpe:2.3:a:python:pybluemonday:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:27

Type	Values Removed	Values Added
References	~~() https://docs.google.com/document/d/11SoX296sMS0XoQiQbpxc5pNxSdbJKDJkm5BDv0zrX50/ - Exploit, Third Party Advisory~~	() https://docs.google.com/document/d/11SoX296sMS0XoQiQbpxc5pNxSdbJKDJkm5BDv0zrX50/ - Exploit, Third Party Advisory

08 Aug 2023, 14:22

Type	Values Removed	Values Added
CWE	~~CWE-20~~	NVD-CWE-Other

Information

Published : 2021-10-18 15:15

Updated : 2024-11-21 06:27

NVD link : CVE-2021-42576

Mitre link : CVE-2021-42576

CVE.ORG link : CVE-2021-42576

JSON object : View

Products Affected

microco

bluemonday

python

pybluemonday

CWE

NVD-CWE-Other

{"id": "CVE-2021-42576", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"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"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"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}]}, "published": "2021-10-18T15:15:07.823", "references": [{"url": "https://docs.google.com/document/d/11SoX296sMS0XoQiQbpxc5pNxSdbJKDJkm5BDv0zrX50/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://docs.google.com/document/d/11SoX296sMS0XoQiQbpxc5pNxSdbJKDJkm5BDv0zrX50/", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "The bluemonday sanitizer before 1.0.16 for Go, and before 0.0.8 for Python (in pybluemonday), does not properly enforce policies associated with the SELECT, STYLE, and OPTION elements."}, {"lang": "es", "value": "bluemonday sanitizer versiones anteriores a 1.0.16 para Go, y versiones anteriores a 0.0.8 para Python (en pybluemonday), no aplica apropiadamente las pol\u00edticas asociadas a los elementos SELECT, STYLE y OPTION"}], "lastModified": "2024-11-21T06:27:50.567", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microco:bluemonday:*:*:*:*:*:go:*:*", "vulnerable": true, "matchCriteriaId": "77EE6FF5-DC13-4386-AB2E-FB4DB791C6AE", "versionEndExcluding": "1.0.16"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:python:pybluemonday:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "221C620D-C522-4FD6-B1F9-A98D45B1CB27", "versionEndExcluding": "0.0.8"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}