CVE-2017-16780
highpriority · attend · 51EPSS 0.058 · 93 %ileexploit · functionalEUUSgrimoire priorityP1 · Urgent
Exploitable?
Public exploit
1 exploit · functional
Likely / severe?
5.77% (93rd) EPSS
CVSS 7.5 · high
Who says so?
3 sources
cnnvd · enisa_euvd · nvd
EPSS · scored 2026-10-28
The installer in MyBB before 1.8.13 allows remote attackers to execute arbitrary code by writing to the configuration file.
01
cvss
Technical severity, 0–10. One row per scoring source.
9.8
010
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8
v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9
02
weaknesses
The CWE weakness classes this flaw belongs to.
03
exploits (1)
Public proof-of-concept and weaponised exploit code.
- EDB-43136MyBB 1.8.13 - Remote Code Executionfunctional · exploit_db
04
affected products (2)
Products and version ranges known to be affected.
05
also known as (3)
Other names and identifiers for this entity.
06
sources
Which sources assert this record, and when.
08
references (6)
External citations — patches, advisories, analysis.
- https://blog.mybb.com/2017/11/07/mybb-1-8-13-released-security-maintenance-release/cnnvd
- https://www.exploit-db.com/exploits/43136/cnnvd
- https://blog.mybb.com/2017/11/07/mybb-1-8-13-released-security-maintenance-release/enisa_euvd
- https://www.exploit-db.com/exploits/43136/enisa_euvd
- https://blog.mybb.com/2017/11/07/mybb-1-8-13-released-security-maintenance-release/Release NotesVendor Advisorynvd
- https://www.exploit-db.com/exploits/43136/ExploitThird Party AdvisoryVDB Entrynvd
scry
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