What’s Vulnerable › Vulnerabilities

CVE-2018-25247: MyBB Like Plugin 3.0.0 Cross-Site Scripting via User Profiles

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-04 · updated 2026-07-21
• Weakness: CWE-79

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.

Affected products

• mybb Thankyou/Like System: through 3.0.0

References

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

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