VIR Vulnerability Intelligence Relay

CVE-2017-16780

critical
Published 2017-11-10 · Modified 2026-05-13
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
7.5
VIR risk
9.8

Description

The installer in MyBB before 1.8.13 allows remote attackers to execute arbitrary code by writing to the configuration file.

Predictions

Exploit likelihood
97%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://blog.mybb.com/2017/11/07/mybb-1-8-13-released-security-maintenance-release/

Application impact
VendorProductVersionsFixed
mybbmybb{"endIncluding":"1.8.12"}

References

CWEs

CWE-352

Verify integrity in audit chain (admin only). AS-IS.