CRITICAL

CVE-2021-26822

CVSS v3

9.8

CRITICAL

EPSS Score

4.8 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2021-26822 yet.

Full record on NVD

Description

Teachers Record Management System 1.0 is affected by a SQL injection vulnerability in 'searchteacher' POST parameter in search-teacher.php. This vulnerability can be exploited by a remote unauthenticated attacker to leak sensitive information and perform code execution attacks.

Technical details

Published: 2021-02-15

Frequently asked questions

What is CVE-2021-26822?

Is CVE-2021-26822 actively exploited?

Active exploitation of CVE-2021-26822 has not been confirmed. Its EPSS score was 4.8% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-26822?

CVE-2021-26822 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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