CVE-2023-6766Public exploitNetwork attack vector

Course deletion via tokenless cross-origin request

Published Dec 13, 2023 · Updated Oct 8, 2024

Cross-site request forgery in PHPGurukul Teacher Subject Allocation Management System 1.0 allows remote attackers to delete courses. The /admin/course.php delete handler accepts delid in a cross-origin GET request and deletes the corresponding database record without validating an anti-CSRF token. Exploitation requires an administrator with an active session to load attacker-controlled HTML, and the demonstrated consequence is unauthorized course-record deletion.

CVSS severity4.3
Medium
EPSS probability0.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site request forgery in PHPGurukul Teacher Subject Allocation Management System 1.0 allows remote attackers to delete courses. The /admin/course.php delete handler accepts delid in a cross-origin GET request and deletes the corresponding database record without validating an anti-CSRF token. Exploitation requires an administrator with an active session to load attacker-controlled HTML, and the demonstrated consequence is unauthorized course-record deletion.

The record

CVE
CVE-2023-6766
Published
Dec 13, 2023
Updated
Oct 8, 2024
Vendor
PHPGurukul
Product
Teacher Subject Allocation Management System
Classifications
CWE-352, T1565.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 13, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 8, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

PHPGurukul · Teacher Subject Allocation Management Systemversion=1.0

Published CVSS scores

4.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
3.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:L
5.0VulDBAV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
T1565.001Stored Data Manipulation

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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