All vulnerabilities

Servers and applications

CVE-2017-7566

MyBB before 1.8.11 allows remote attackers to bypass an SSRF protection mechanism.

Severity
High 7.7
Published
6 Apr 2017
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.2% in the next 30 daysHigher than 82% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Server-side request forgery (CWE-918)
Attack
Over the network · Needs a user account · No user action needed
Attacker can
Read data
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Sources
NVD

Affected software

SoftwareAffected versions
MyBBServers and applications · cpe:a:mybb:mybb
  • Every version up to 1.8.10

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-7566
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-7566