Vulnerability Description
SQL Injection vulnerablity in MyBB before 1.8.26 via theme properties included in theme XML files.
CVSS Score
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mybb | Mybb | < 1.8.26 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/161908/MyBB-1.8.25-Remote-Command-ExecutionThird Party AdvisoryVDB Entry
- https://blog.sonarsource.com/mybb-remote-code-execution-chainExploitThird Party Advisory
- https://github.com/mybb/mybb/security/advisories/GHSA-r34m-ccm8-mfhqPatchRelease NotesThird Party Advisory
- http://packetstormsecurity.com/files/161908/MyBB-1.8.25-Remote-Command-ExecutionThird Party AdvisoryVDB Entry
- https://blog.sonarsource.com/mybb-remote-code-execution-chainExploitThird Party Advisory
- https://github.com/mybb/mybb/security/advisories/GHSA-r34m-ccm8-mfhqPatchRelease NotesThird Party Advisory
FAQ
What is CVE-2021-27890?
CVE-2021-27890 is a vulnerability with a CVSS score of 8.8 (HIGH). SQL Injection vulnerablity in MyBB before 1.8.26 via theme properties included in theme XML files.
How severe is CVE-2021-27890?
CVE-2021-27890 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-27890?
Check the references section above for vendor advisories and patch information. Affected products include: Mybb Mybb.