What is CVE-2022-43709?

CVE-2022-43709 is a medium-severity vulnerability in Mybb, classified under SQL Injection. CVSS score: 4.9/10. Published 2022-11-22.

How severe is CVE-2022-43709?

Medium severity. CVSS v3 base score is 4.9 out of 10.

SQL Injection in Mybb

CVE-2022-43709

MyBB 1.8.31 has a SQL injection vulnerability in the Admin CP's Users module allows remote authenticated users to modify the query string via direct user input or stored search filter settings.

Vulnerability class: SQL Injection

Published 2022-11-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.000

Affected products

Mybb

Weakness classification (CWE)

References

mybb.com (Product)
github.com/mybb/mybb/security/advisories/GHSA-ggp5-454p-867v (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-43709?: CVE-2022-43709 is a medium-severity vulnerability in Mybb, classified under SQL Injection. CVSS score: 4.9/10. Published 2022-11-22.
How severe is CVE-2022-43709?: Medium severity. CVSS v3 base score is 4.9 out of 10.