CVE-2018-25247

MyBB Like Plugin 3.0.0 Cross-Site Scripting via User Profiles

Published Apr 4, 2026 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Description
MyBB Like Plugin 3.0.0 contains a stored cross-site scripting vulnerability. Authenticated attackers can inject script payloads into post or thread subjects; when other users view a profile that displays the attacker's liked posts, the unsanitized subject is rendered, executing the script in the viewer's browser.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
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. MyBB Like Plugin 3.0.0 contains a stored cross-site scripting vulnerability. Authenticated attackers can inject script payloads into post or thread subjects; when other users view a profile that displays the attacker's liked posts, the unsanitized subject is rendered, executing the script in the viewer's browser.
Type Values Removed Values Added
First Time appeared Mybb thankyou\/like System
CPEs cpe:2.3:a:mybb:thankyou\/like_system:*:*:*:*:*:mybb:*:*
Vendors & Products Mybb thankyou\/like System
Type Values Removed Values Added
First Time appeared Mybb mybb Like Plugin
Vendors & Products Mybb mybb Like Plugin
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
May 25, 2026, 11:40 PM
Reserved
Apr 4, 2026, 1:21 PM
Status
Modified
Published
Apr 4, 2026, 2:16 PM
Modified
Jul 21, 2026, 7:10 AM