CVE-2021-27948

7.2 highEPSS 1.0%

High (7.2) in mybb mybb. EPSS 1.0% chance of exploitation in the next 30 days.

SQL Injection vulnerability in MyBB before 1.8.26 via User Groups. (issue 3 of 3).

Severity

7.2 high

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 62% of CVEs (scores of 2026-10-31)
CWE: CWE-89
Published: 2021-03-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19