CVE-2017-7566
MyBB before 1.8.11 allows remote attackers to bypass an SSRF protection mechanism.
MyBB before 1.8.11 allows remote attackers to bypass an SSRF protection mechanism.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
MyBB before 1.8.11 allows remote attackers to bypass an SSRF protection mechanism.
- Record
CVE-2017-7566- CVSS 3.0
- 7.7 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
CVE List No score
MyBB before 1.8.11 allows remote attackers to bypass an SSRF protection mechanism.
- Record
CVE-2017-7566- Updated
- 2026-11-02
EUVDEUVD-2017-16571 No score
MyBB before 1.8.11 allows remote attackers to bypass an SSRF protection mechanism.
- Record
EUVD-2017-16571- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7xfm-hcfv-34hc
MyBB before 1.8.11 allows remote attackers to bypass an SSRF protection mechanism.
MyBB before 1.8.11 allows remote attackers to bypass an SSRF protection mechanism.
- Record
GHSA-7xfm-hcfv-34hc- CVSS 3.0
- 7.7 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
OSV
MyBB before 1.8.11 allows remote attackers to bypass an SSRF protection mechanism.
- Record
CVE-2017-7566- CVSS 3.0
- 7.7 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-7566 is a high vulnerability (CVSS 7.7) in Mybb, published April 6, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.17%, the 82nd percentile. No source names a fixed version.
References
securityfocus.com/bid/97480
sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20170407-0_MyBB_SSRF_vulnerability_v10.txt
github.com/mybb/mybb/commit/f5de8fc2aad11e0d2583f585535ccfa2b46325db
blog.mybb.com/2017/04/04/mybb-1-8-11-merge-system-1-8-11-release
nvd.nist.gov/vuln/detail/CVE-2017-7566