CVE-2026-16202 (GCVE-0-2026-16202)

Vulnerability from cvelistv5 – Published: 2026-07-19 01:15 – Updated: 2026-07-19 01:15 X_Freeware
VLAI
Title
SourceCodester Class and Exam Timetabling System CYS.php cross site scripting
Summary
A vulnerability was determined in SourceCodester Class and Exam Timetabling System 1.0. Affected by this vulnerability is an unknown functionality of the file /CYS.php. This manipulation of the argument course causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.
Severity
5.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
3.5 (Low)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
3.5 (Low)
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/380018 vdb-entrytechnical-description
https://vuldb.com/vuln/380018/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-16202 third-party-advisory
https://vuldb.com/submit/857765 third-party-advisory
https://github.com/AlbaDove/cve/issues/9 exploitissue-tracking
https://www.sourcecodester.com/ product
Impacted products
Vendor Product Version
SourceCodester Class and Exam Timetabling System Affected: 1.0
    cpe:2.3:a:sourcecodester:class_and_exam_timetabling_system:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
AlbaDove (VulDB User)
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:sourcecodester:class_and_exam_timetabling_system:*:*:*:*:*:*:*:*"
          ],
          "product": "Class and Exam Timetabling System",
          "vendor": "SourceCodester",
          "versions": [
            {
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              "version": "1.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "AlbaDove (VulDB User)"
        }
      ],
      "descriptions": [
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          "lang": "en",
          "value": "A vulnerability was determined in SourceCodester Class and Exam Timetabling System 1.0. Affected by this vulnerability is an unknown functionality of the file /CYS.php. This manipulation of the argument course causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized."
        }
      ],
      "metrics": [
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            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
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            "baseSeverity": "LOW",
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            "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR",
            "version": "2.0"
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      "problemTypes": [
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          "descriptions": [
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      "providerMetadata": {
        "dateUpdated": "2026-07-19T01:15:10.997Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
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      "references": [
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          "name": "VDB-380018 | SourceCodester Class and Exam Timetabling System CYS.php cross site scripting",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/380018"
        },
        {
          "name": "VDB-380018 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/380018/cti"
        },
        {
          "name": "CVE-2026-16202 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-16202"
        },
        {
          "name": "Submit #857765 | sourcecodester  Class and Exam Timetabling System V1.0 cross site scripting",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/857765"
        },
        {
          "tags": [
            "exploit",
            "issue-tracking"
          ],
          "url": "https://github.com/AlbaDove/cve/issues/9"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://www.sourcecodester.com/"
        }
      ],
      "tags": [
        "x_freeware"
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-07-18T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-07-18T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-07-18T09:37:51.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "SourceCodester Class and Exam Timetabling System CYS.php cross site scripting"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-16202",
    "datePublished": "2026-07-19T01:15:10.997Z",
    "dateReserved": "2026-07-18T07:32:40.789Z",
    "dateUpdated": "2026-07-19T01:15:10.997Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.