What’s Vulnerable › Vulnerabilities

CVE-2017-8103

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-04-24 · updated 2026-06-17
• Weakness: CWE-79

Description

In MyBB before 1.8.11, the Email MyCode component allows XSS, as demonstrated by an onmouseover event.

Affected products

• mybb: through 1.8.10

References

• http://seclists.org/fulldisclosure/2017/Apr/53
• https://blog.mybb.com/2017/04/04/mybb-1-8-11-merge-system-1-8-11-release/
• http://seclists.org/fulldisclosure/2017/Apr/53
• https://blog.mybb.com/2017/04/04/mybb-1-8-11-merge-system-1-8-11-release/

Get alerted when CVE-2017-8103 or the next vulnerability affects your stack