CVE-2015-8976

Cross-site scripting (XSS) vulnerability in MyBB (aka MyBulletinBoard) before 1.6.18 and 1.8.x before 1.8.6 and MyBB Merge System before 1.8.6 might allow remote attackers to inject arbitrary web script or HTML via vectors related to "old upgrade files."

CVSS v3 6.1 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector : AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
http://www.openwall.com/lists/oss-security/2016/11/10/8	Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/11/18/1	Mailing List Third Party Advisory
http://www.securityfocus.com/bid/94397
https://blog.mybb.com/2015/09/07/mybb-1-8-6-1-6-18-merge-system-1-8-6-release/	Release Notes Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mybb:merge_system:1.8.5:::::::*
	cpe:2.3:a:mybb:mybb::::::::
	cpe:2.3:a:mybb:mybb:1.8.0:::::::*
	cpe:2.3:a:mybb:mybb:1.8.1:::::::*
	cpe:2.3:a:mybb:mybb:1.8.2:::::::*
	cpe:2.3:a:mybb:mybb:1.8.3:::::::*
	cpe:2.3:a:mybb:mybb:1.8.4:::::::*
	cpe:2.3:a:mybb:mybb:1.8.5:::::::*

History

No history.

Information

Published : 2017-01-31 22:59

Updated : 2024-02-28 15:44

NVD link : CVE-2015-8976

Mitre link : CVE-2015-8976

CVE.ORG link : CVE-2015-8976

JSON object : View

Products Affected

mybb

mybb
merge_system

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"id": "CVE-2015-8976", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.0", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "published": "2017-01-31T22:59:00.267", "references": [{"url": "http://www.openwall.com/lists/oss-security/2016/11/10/8", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2016/11/18/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/94397", "source": "cve@mitre.org"}, {"url": "https://blog.mybb.com/2015/09/07/mybb-1-8-6-1-6-18-merge-system-1-8-6-release/", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Cross-site scripting (XSS) vulnerability in MyBB (aka MyBulletinBoard) before 1.6.18 and 1.8.x before 1.8.6 and MyBB Merge System before 1.8.6 might allow remote attackers to inject arbitrary web script or HTML via vectors related to \"old upgrade files.\""}, {"lang": "es", "value": "Vulnerabilidad de XSS en MyBB (tambi\u00e9n conocido como MyBulletinBoard) en versiones anteriores a 1.6.18 y 1.8.x en versiones anteriores a 1.8.6 y MyBB Merge System en versiones anteriores a 1.8.6 podr\u00edan permitir a atacantes remotos inyectar secuencias de comandos web o HTML arbitrarios a trav\u00e9s de vectores relacionados con \"archivos antiguos de actualizaci\u00f3n\"."}], "lastModified": "2017-02-03T16:11:57.917", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mybb:merge_system:1.8.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "84DB6EE0-4972-434D-9C89-7BD9EB4896B7"}, {"criteria": "cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2FF6F484-A280-45A6-BB5E-B923339B7109", "versionEndIncluding": "1.6.17"}, {"criteria": "cpe:2.3:a:mybb:mybb:1.8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E697D13C-5594-491B-B911-3B4BEA00AFCC"}, {"criteria": "cpe:2.3:a:mybb:mybb:1.8.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "00724054-858F-4322-8BE5-F6929CC2CAD8"}, {"criteria": "cpe:2.3:a:mybb:mybb:1.8.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "95998F68-1F16-4FEA-BDE3-957235D04881"}, {"criteria": "cpe:2.3:a:mybb:mybb:1.8.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "927F9547-773B-4F2C-8870-AA3672EEC7CA"}, {"criteria": "cpe:2.3:a:mybb:mybb:1.8.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6817FA9E-51B7-4ADE-86E2-E9F559A585EC"}, {"criteria": "cpe:2.3:a:mybb:mybb:1.8.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "667EFFF1-E5C1-4124-BD0B-D4244FAECE15"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}