All vulnerabilities

Servers and applications

CVE-2015-8977

MyBB (aka MyBulletinBoard) before 1.6.18 and 1.8.x before 1.8.6 and MyBB Merge System before 1.8.6 allow remote attackers to obtain the installation path via vectors involving error log files.

Severity
High 7.5
Published
31 Jan 2017
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.2% in the next 30 daysHigher than 83% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Sensitive information in log files (CWE-532)
Attack
Over the network · No login needed · No user action needed
Attacker can
Read data
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Sources
NVD

Affected software

SoftwareAffected versions
MyBBServers and applications · cpe:a:mybb:mybb
  • Version 1.8.5
  • Version 1.8.4
  • Version 1.8.3
  • Version 1.8.2
All 7 release lines
  • Every version up to 1.6.17
  • Version 1.8.0
  • Version 1.8.1
  • Version 1.8.2
  • Version 1.8.3
  • Version 1.8.4
  • Version 1.8.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-8977
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-8977