CVE-2018-25249

MyBB My Arcade Plugin 1.3 contains a persistent cross-site scripting vulnerability that allows authenticated users to inject malicious scripts through arcade game score comments. Attackers can add crafted HTML and JavaScript payloads in the comment field that execute when other users view or edit the comment.

CVSS v3 6.4 MEDIUM

6.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.1 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://community.mybb.com/mods.php?action=view&pid=411	Product
https://www.exploit-db.com/exploits/44186	Exploit VDB Entry
https://www.vulncheck.com/advisories/mybb-my-arcade-plugin-persistent-xss-via-comment	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:mybb:my_arcade:1.3:*:*:*:*:mybb:*:*

History

10 Apr 2026, 21:20

Type	Values Removed	Values Added
References	~~() https://community.mybb.com/mods.php?action=view&pid=411 -~~	() https://community.mybb.com/mods.php?action=view&pid=411 - Product
References	~~() https://www.exploit-db.com/exploits/44186 -~~	() https://www.exploit-db.com/exploits/44186 - Exploit, VDB Entry
References	~~() https://www.vulncheck.com/advisories/mybb-my-arcade-plugin-persistent-xss-via-comment -~~	() https://www.vulncheck.com/advisories/mybb-my-arcade-plugin-persistent-xss-via-comment - Third Party Advisory
First Time		Mybb my Arcade Mybb
CPE		cpe:2.3:a:mybb:my_arcade:1.3:::::mybb::

04 Apr 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-04 14:16

Updated : 2026-04-10 21:20

NVD link : CVE-2018-25249

Mitre link : CVE-2018-25249

CVE.ORG link : CVE-2018-25249

JSON object : View

Products Affected

mybb

my_arcade

CWE

CWE-79

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

{"id": "CVE-2018-25249", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 3.1}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.1, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-04-04T14:16:20.860", "references": [{"url": "https://community.mybb.com/mods.php?action=view&pid=411", "tags": ["Product"], "source": "disclosure@vulncheck.com"}, {"url": "https://www.exploit-db.com/exploits/44186", "tags": ["Exploit", "VDB Entry"], "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/mybb-my-arcade-plugin-persistent-xss-via-comment", "tags": ["Third Party Advisory"], "source": "disclosure@vulncheck.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "MyBB My Arcade Plugin 1.3 contains a persistent cross-site scripting vulnerability that allows authenticated users to inject malicious scripts through arcade game score comments. Attackers can add crafted HTML and JavaScript payloads in the comment field that execute when other users view or edit the comment."}], "lastModified": "2026-04-10T21:20:51.960", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mybb:my_arcade:1.3:*:*:*:*:mybb:*:*", "vulnerable": true, "matchCriteriaId": "FA60433C-03AF-4360-8253-5B0614CF7C2D"}], "operator": "OR"}]}], "sourceIdentifier": "disclosure@vulncheck.com"}