VulnerabilityModified
CVE-2017-7566
MyBB before 1.8.11 allows remote attackers to bypass an SSRF protection mechanism.
HIGH 7.7EPSS 2.17%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
MyBB before 1.8.11 allows remote attackers to bypass an SSRF protection mechanism.
- CVSS 3.0
- 7.7 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- EPSS
- 2.17% probability · 82th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-918
- Affected
- mybb/mybb
- Source
- cve@mitre.org
EPSS 2.2% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/97480Third Party Advisory, VDB Entry
- https://blog.mybb.com/2017/04/04/mybb-1-8-11-merge-system-1-8-11-release/Patch, Vendor Advisory
- https://github.com/mybb/mybb/commit/f5de8fc2aad11e0d2583f585535ccfa2b46325db#diff-7fe6e55397c77ab9a0f5d57bc4cbe5b9R6781Patch
- https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20170407-0_MyBB_SSRF_vulnerability_v10.txtExploit, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/97480Third Party Advisory, VDB Entry
- https://blog.mybb.com/2017/04/04/mybb-1-8-11-merge-system-1-8-11-release/Patch, Vendor Advisory
- https://github.com/mybb/mybb/commit/f5de8fc2aad11e0d2583f585535ccfa2b46325db#diff-7fe6e55397c77ab9a0f5d57bc4cbe5b9R6781Patch
- https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20170407-0_MyBB_SSRF_vulnerability_v10.txtExploit, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.