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CVE Record

CVE-2026-9485: SourceCodester Student Grades Management System students.php cross site scripting

A vulnerability was identified in SourceCodester Student Grades Management System 1.0. Affected by this issue is some unknown functionality of the file students.php. The manipulation of the argument Remarks leads to cross site scripting. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

MediumCVSS 5.1Not KEV-listed Updated
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Glexia's Take moderate

Analyst readout for executives and security teams

Plain-English summary

CVE-2026-9485 is a cross-site scripting issue in SourceCodester Student Grades Management System 1.0. A low-privileged remote user can manipulate the Remarks field in students.php, potentially causing script execution when another user interacts with the affected page. Business risk is moderate because exploitation needs an account and user interaction, but a public exploit is reported.

Executive priority

Treat as a moderate web application risk. Prioritize remediation if the system contains student data, is internet-accessible, or allows broad user access. The public exploit signal raises urgency, but no active exploitation is documented in the provided sources.

Technical view

The source bundle describes improper handling of the Remarks argument in students.php, mapped to CWE-79 and CWE-94. CVSS 4.0 is 5.1 with AV:N, AC:L, PR:L, UI:P, and limited integrity impact. The affected product is SourceCodester Student Grades Management System 1.0. No vendor patch or fixed version is identified in the provided sources.

Likely exposure

Exposure appears limited to organizations running SourceCodester Student Grades Management System 1.0, especially where untrusted or lower-privileged users can enter or edit Remarks data and other users view it through students.php.

Exploitation context

The bundle says remote exploitation is possible and a public exploit is available. It does not show CISA KEV listing or confirmed active exploitation. CVSS indicates low attack complexity, low privileges required, and user interaction required.

Researcher notes

Evidence is source-bundle limited. VulDB reports the vulnerable file and parameter, public exploit availability, and CVSS details, but the affected function, patch status, and exploit-in-the-wild status are not established here. Avoid assuming impact beyond XSS-related integrity risk.

Mitigation direction

  • Check SourceCodester and VulDB guidance for any vendor fix or advisory updates.
  • Restrict access to the grades system to trusted authenticated users only.
  • Apply output encoding and input validation for Remarks if maintaining the code internally.
  • Review existing Remarks entries for unsafe script content.
  • Monitor application logs for suspicious updates to student remarks.

Validation and detection

  • Inventory deployments for Student Grades Management System version 1.0.
  • Review students.php handling of the Remarks parameter and rendered output.
  • Confirm whether low-privileged users can submit or edit Remarks values.
  • Use a safe staging test to verify scripts cannot execute from Remarks.
  • Check whether any public-facing instance exposes the affected workflow.
Prepared
Confidence
medium
Sources
7

Public sources used

Based on public source material and reviewed before publication.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-79: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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cwe · medium confidence lookup

CWE-94: Code execution behavior lookup

Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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cve · low confidence lookup

CVE-2026-9485 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profile CVE Program record
Severity
Medium
CVSS
5.1 (4.0)
Known Exploited
No
Published

Vector: 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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

4 CVSS vectors
6 Timeline events
1 ADP providers
6 Source links

SSVC decision data

CISA-ADP CISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

CVSS vector scores

4 official scores

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

Score Version Severity Vector Exploit Impact Source
5.1 CVSS 4.0 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 — — VulDB
4 CVSS 2.0 Medium AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR 8 2.9 VulDB
3.5 CVSS 3.1 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 2.1 1.4 VulDB
3.5 CVSS 3.0 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 2.1 1.4 VulDB

Vulnerability scoring details

Base CVSS 4.0 score

5.1 Medium
CVSS 4.0 vector shape for CVE-2026-9485 Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

Vector: 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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Attack Requirements
NonePresent
Privileges Required
NoneLowHigh
User Interaction
NonePassiveActive
VS Confidentiality
HighLowNone
VS Integrity
HighLowNone
VS Availability
HighLowNone
SS Confidentiality
HighLowNone
SS Integrity
HighLowNone
SS Availability
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. Source timeline VulDB

    Advisory disclosed

  2. Source timeline VulDB

    VulDB entry created

  3. CVE reserved CVE Program

    The CVE ID was reserved by the assigning CNA.

  4. Source timeline VulDB

    VulDB entry last update

  5. CVE published CVE Program

    The CVE record was published.

  6. CVE updated CVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADP CISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

Vendor Product Version / package Status
SourceCodester Student Grades Management System 1.0 Listed
Weakness

CWE details

CWE-79CWE-94

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-79 · source CWE mapping

Improper Neutralization of Input During Web Page Generation

Improper Neutralization of Input During Web Page Generation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

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CWE-94 · source CWE mapping

CWE mapping pending import

This CVE carries a CWE mapping that will resolve to a full Glexia CWE intelligence page after the official CWE import is complete.

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