Vulnerability-Lookup

CNVD-2026-33453

Vulnerability from cnvd - Published: 2026-08-25

Title

Online Course Registration SQL注入漏洞

Description

Online Course Registration是PHPGurukul公司的一个在线课程注册系统。 Online Course Registration存在SQL注入漏洞，该漏洞源于/admin/check_availability.php文件未能正确处理regno参数，目前没有详细的漏洞细节提供。

Severity

高

Formal description

目前厂商尚未发布升级程序修复该安全问题，详情见厂商官网： https://phpgurukul.com/

Reference

https://vuldb.com/vuln/356262

Impacted products

Name
Online Course Registration Online Course Registration 3.1

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-5814",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-5814"
    }
  },
  "description": "Online Course Registration\u662fPHPGurukul\u516c\u53f8\u7684\u4e00\u4e2a\u5728\u7ebf\u8bfe\u7a0b\u6ce8\u518c\u7cfb\u7edf\u3002\n\nOnline Course Registration\u5b58\u5728SQL\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e/admin/check_availability.php\u6587\u4ef6\u672a\u80fd\u6b63\u786e\u5904\u7406regno\u53c2\u6570\uff0c\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5c1a\u672a\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51\uff1a\r\nhttps://phpgurukul.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-33453",
  "openTime": "2026-08-25",
  "products": {
    "product": "Online Course Registration Online Course Registration 3.1"
  },
  "referenceLink": "https://vuldb.com/vuln/356262",
  "serverity": "\u9ad8",
  "submitTime": "2026-04-09",
  "title": "Online Course Registration SQL\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2026-5814 (GCVE-0-2026-5814)

Vulnerability from cvelistv5 – Published: 2026-04-08 23:00 – Updated: 2026-04-09 14:17 X_Freeware

Title

PHPGurukul Online Course Registration check_availability.php sql injection

Summary

A security vulnerability has been detected in PHPGurukul Online Course Registration 3.1. This issue affects some unknown processing of the file /admin/check_availability.php. The manipulation of the argument regno leads to sql injection. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

7.3 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

7.3 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-09 14:16 UTC

CWE

CWE-89 - SQL Injection
CWE-74 - Injection

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/vuln/356262	vdb-entrytechnical-description
https://vuldb.com/vuln/356262/cti	signaturepermissions-required
https://vuldb.com/submit/787698	third-party-advisory
https://github.com/f1rstb100d/CVE/issues/21	exploitissue-tracking
https://phpgurukul.com/	product

Impacted products

1 product

Vendor	Product	Version
PHPGurukul	Online Course Registration	Affected: 3.1 cpe:2.3:a:phpgurukul:online_course_registration::::::::

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-5814",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-09T14:16:06.861770Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-09T14:17:57.980Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:phpgurukul:online_course_registration:*:*:*:*:*:*:*:*"
          ],
          "product": "Online Course Registration",
          "vendor": "PHPGurukul",
          "versions": [
            {
              "status": "affected",
              "version": "3.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A security vulnerability has been detected in PHPGurukul Online Course Registration 3.1. This issue affects some unknown processing of the file /admin/check_availability.php. The manipulation of the argument regno leads to sql injection. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 7.5,
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-89",
              "description": "SQL Injection",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-74",
              "description": "Injection",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-08T23:00:17.193Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-356262 | PHPGurukul Online Course Registration check_availability.php sql injection",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/356262"
        },
        {
          "name": "VDB-356262 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/356262/cti"
        },
        {
          "name": "Submit #787698 | PHPGurukul Online Course Registration 3.1 SQL Injection",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/787698"
        },
        {
          "tags": [
            "exploit",
            "issue-tracking"
          ],
          "url": "https://github.com/f1rstb100d/CVE/issues/21"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://phpgurukul.com/"
        }
      ],
      "tags": [
        "x_freeware"
      ],
      "timeline": [
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          "lang": "en",
          "time": "2026-04-08T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-04-08T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-04-08T17:31:16.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "PHPGurukul Online Course Registration check_availability.php sql injection"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-5814",
    "datePublished": "2026-04-08T23:00:17.193Z",
    "dateReserved": "2026-04-08T15:26:07.930Z",
    "dateUpdated": "2026-04-09T14:17:57.980Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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CNVD-2026-33453

CVE-2026-5814 (GCVE-0-2026-5814)

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Nomenclature

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