How severe is CVE-2021-26822?

CVE-2021-26822 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-26822 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-26822?

CVE-2021-26822 affects Phpgurukul Teachers Record Management System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-26822?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-26822 published?

CVE-2021-26822 was published on 2021-02-15 and last updated on 2026-06-17.

CVE-2021-26822

CVE-2021-26822 is a critical-severity vulnerability in Phpgurukul Teachers Record Management System with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Phpgurukul Teachers Record Management System
Published: 2021-02-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-26822?: 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.
How severe is CVE-2021-26822?: CVE-2021-26822 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-26822 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-26822?: CVE-2021-26822 affects Phpgurukul Teachers Record Management System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-26822?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-26822 published?: CVE-2021-26822 was published on 2021-02-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpgurukul:teachers_record_management_system:1.0:*:*:*:*:*:*:*

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