What is CVE-2021-26609?

CVE-2021-26609 is a high-severity vulnerability in Mangboard Mang Board, classified under SQL Injection. CVSS score: 7.5/10. Published 2021-10-26.

How severe is CVE-2021-26609?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-26609 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

SQL Injection in Mangboard Mang Board

CVE-2021-26609

A vulnerability was found in Mangboard(WordPress plugin). A SQL-Injection vulnerability was found in order_type parameter. The order_type parameter makes a SQL query using unfiltered data. This vulnerability allows a remote attacker to steal user information.

Vulnerability class: SQL Injection

Published 2021-10-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.018 (77.3th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Mangboard Mang Board
Mangboard WordPress — versions 1.9.9

Weakness classification (CWE)

CWE-89 — SQL Injection

Public proof-of-concept exploits

20142995/nuclei-templates

References

www.boho.or.kr/krcert/secNoticeView.do (Third Party Advisory)

Frequently asked questions

What is CVE-2021-26609?: CVE-2021-26609 is a high-severity vulnerability in Mangboard Mang Board, classified under SQL Injection. CVSS score: 7.5/10. Published 2021-10-26.
How severe is CVE-2021-26609?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-26609 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.