CVE-2015-8977 json
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 ins…
published 2017-01-31 9 y ago modified 2026-06-17 4 mo ago also EUVD-2015-8831
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.2%
- EPSS 2.2% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
2.25% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-532 Insertion of Sensitive Information into Log File
References
-
blog.mybb.com
/2015/09/07/mybb-1-8-6-1-6-18-merge-system-1-8-6-release/
release-notes, vendor-advisory
-
securityfocus.com
/bid/94397
vdb-entry, third-party-advisory
-
openwall.com
/lists/oss-security/2016/11/18/1
mailing-list, third-party-advisory
-
openwall.com
/lists/oss-security/2016/11/10/8
mailing-list, third-party-advisory
Sources
- CVE List CVE-2015-8977
- NVD CVE-2015-8977
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.