MyBB Like Plugin 3.0.0 contains a cross-site scripting vulnerability that allows attackers to inject malicious scripts by creating posts or threads with unvalidated subject content. Attackers can craft post subjects containing script tags that execute when other users view the attacker's profile, where liked posts are displayed without sanitization.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
MyBB MyBB Like Plugin affected
Version Status Constraints
3.0.0 affected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Mybb Subscribe
Mybb Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://community.mybb.com/mods.php?action=view&pid=360 cve-icon cve-icon
https://www.exploit-db.com/exploits/45179 cve-icon cve-icon
https://www.vulncheck.com/advisories/mybb-like-plugin-cross-site-scripting-via-user-profiles cve-icon cve-icon
History

Sat, 04 Apr 2026 15:00:00 +0000

Type Values Removed Values Added
Description MyBB Like Plugin 3.0.0 contains a cross-site scripting vulnerability that allows attackers to inject malicious scripts by creating posts or threads with unvalidated subject content. Attackers can craft post subjects containing script tags that execute when other users view the attacker's profile, where liked posts are displayed without sanitization.
Title MyBB Like Plugin 3.0.0 Cross-Site Scripting via User Profiles
First Time appeared Mybb
Mybb mybb
Weaknesses CWE-79
CPEs cpe:2.3:a:mybb:mybb:3.0.0:*:*:*:*:*:*:*
Vendors & Products Mybb
Mybb mybb
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-04T19:59:57.215Z

Reserved: 2026-04-04T13:21:58.860Z

Link: CVE-2018-25247

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-04-04T14:16:20.500

Modified: 2026-04-04T14:16:20.500

Link: CVE-2018-25247

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses