- 7.7HighCVSS base score
- 2.2%Exploitation in 30 daysEPSS · top 18% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
MyBB before 1.8.11 allows remote attackers to bypass an SSRF protection mechanism.
Timeline
ID reserved
By mitre
Published
- 7 years later
· 7 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.7 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 2.2% · top 18% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.7.
Affected products
n/a
- affected n/a
References
4
- 97480 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20170407-0_MyBB_SSRF_vulnerability_v10.txt (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/mybb/mybb/commit/f5de8fc2aad11e0d2583f585535ccfa2b46325db#diff-7fe6e55397c77ab9a0f5d57bc4cbe5b9R6781 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://blog.mybb.com/2017/04/04/mybb-1-8-11-merge-system-1-8-11-release/ (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2017-16571 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-7566)Record last updated .