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CVE-2021-26765

SQL injection vulnerability in PHPGurukul Student Record System 4.0 allows remote attackers to...

9.8 Critical

SQL injection vulnerability in PHPGurukul Student Record System 4.0 allows remote attackers to execute arbitrary SQL statements, via the sid parameter to edit-sub.php.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.92%Up 1.6 points since Jul 23, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

SQL injection vulnerability in PHPGurukul Student Record System 4.0 allows remote attackers to execute arbitrary SQL statements, via the sid parameter to edit-sub.php.

Record
CVE-2021-26765
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-89
Updated
2026-11-02
CVE List No score

SQL injection vulnerability in PHPGurukul Student Record System 4.0 allows remote attackers to execute arbitrary SQL statements, via the sid parameter to edit-sub.php.

Record
CVE-2021-26765
Updated
2026-11-02
EUVDEUVD-2021-13552 No score

SQL injection vulnerability in PHPGurukul Student Record System 4.0 allows remote attackers to execute arbitrary SQL statements, via the sid parameter to edit-sub.php.

Record
EUVD-2021-13552
Updated
2026-11-03
GitHub AdvisoriesGHSA-qqrx-6w8f-8vrm 9.8

SQL injection vulnerability in PHPGurukul Student Record System 4.0 allows remote attackers to...

SQL injection vulnerability in PHPGurukul Student Record System 4.0 allows remote attackers to execute arbitrary SQL statements, via the sid parameter to edit-sub.php.

Record
GHSA-qqrx-6w8f-8vrm
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-89
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-26765 is a critical vulnerability (CVSS 9.8) in Phpgurukul Student Record System, published July 22, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.92%, the 87th percentile. No source names a fixed version.

References

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