CVE-2021-26765

Name: CVE-2021-26765
Creator: NVD / NIST
Published: 2021-07-22T16:15:09.257+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.92%

Last modified Jun 17, 2026

CVE-2021-26765 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.92% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.92%

85.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Phpgurukul	Student Record System	4.0

References

https://github.com/BigTiger2020/Student-Record-System-/blob/main/README.mdExploit, Third Party Advisory
https://packetstormsecurity.com/files/161237/Student-Record-System-4.0-SQL-Injection.htmlExploit, Third Party Advisory, VDB Entry
https://phpgurukul.com/Vendor Advisory
https://phpgurukul.com/wp-content/uploads/2019/05/schoolmanagement.zipVendor Advisory
https://github.com/BigTiger2020/Student-Record-System-/blob/main/README.mdExploit, Third Party Advisory
https://packetstormsecurity.com/files/161237/Student-Record-System-4.0-SQL-Injection.htmlExploit, Third Party Advisory, VDB Entry
https://phpgurukul.com/Vendor Advisory
https://phpgurukul.com/wp-content/uploads/2019/05/schoolmanagement.zipVendor Advisory

Timeline

Published: Jul 22, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-26765?

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.

How severe is CVE-2021-26765?

CVE-2021-26765 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.92% probability of exploitation in the next 30 days.

How do I fix CVE-2021-26765?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-26765?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST