CVE-2021-27946 EXPLOIT
8.8
HIGH · CVSS 3.1 · EPSS 4.2% (pctl 91)
Patch early
A public exploit exists.
Description
SQL Injection vulnerability in MyBB before 1.8.26 via poll vote count. (issue 1 of 3).
Scoring
| CVSS | 8.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.2% — more likely to be exploited than 91% of all CVEs |
| Weakness | CWE-89 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2021-03-15 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| mybb | mybb |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | MyBB 1.8.25 - Poll Vote Count SQL Injection | 2021-03-23 |
References
→ the Explorer · watch your stack · NVD