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CVE-2026-120343

mathurvishal CloudClassroom-PHP-Project manageassessment2.php cross site scripting

CVSS score

5.3

EPSS probability

—

Risk score

0.5

Published

3 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

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Vulnerability description

DayBreach AI Explanation

Verified against sources

CVE-2026-120343 – XSS in CloudClassroom-PHP-Project manageassessment2.php

Sources read

1

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

A cross‑site scripting (XSS) vulnerability exists in the manageassessment2.php file of Mathurvishal CloudClassroom-PHP-Project, exploitable remotely via the ExamName/Q1/Q2/Q3/Q4/Q5 parameters. An exploit has been published and patch status is unknown (S0,S1).

Why does it matter?

XSS enables attackers to steal sessions, deface pages, and execute malicious code in victims' browsers.

What should be done?

  • Implement input validation and output encoding
  • Deploy a Content Security Policy (CSP)
  • Monitor vendor releases and apply updates when available
  • Log and monitor for XSS attempts
Chain of evidence and sources4 verified claims

manageassessment2.php dosyasındaki ExamName/Q1/Q2/Q3/Q4/Q5 parametreleri üzerinden uzaktan tetiklenebilen bir XSS açığı vardır (S0).

S0 · daybreach-canonical

Exploit kamuya açıklanmış ve kullanılabilir (S0,S1).

S0 · daybreach-canonicalS1 · cvelist

Yama durumu resmi kaynaklarda doğrulanamadı; durum UNKNOWN olarak raporlanmıştır (S0).

S0 · daybreach-canonical

CVE, CISA KEV listesinde yer almıyor, bu da aktif istismar kanıtı olmadığını gösterir (S0).

S0 · daybreach-canonical
Show the technical text from the sources

A flaw has been found in mathurvishal CloudClassroom-PHP-Project. The impacted element is an unknown function of the file manageassessment2.php. This manipulation of the argument ExamName/Q1/Q2/Q3/Q4/Q5 causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been published and may be used. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The vendor was contacted early about this disclosure but did not respond in any way.

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

CWE: CWE-79, CWE-94

This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-120343 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1mathurvishalCloudClassroom-PHP-Project View
Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
5.3CVSS V4_0MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:PCVE CNA
5.0CVSS V2_0—AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:CCVE CNA
5.0CVSS V2—AV:N/AC:L/Au:N/C:N/I:P/A:NNVD
4.3CVSS V3_1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:CCVE CNA
4.3CVSS V3_0MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:CCVE CNA
4.3CVSS V31MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NNVD
2.1CVSS V40LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-120343 is associated with the following CWEs:

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CWE-94: Improper Control of Generation of Code ('Code Injection')

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-120343 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
User—

Official Sources and Advisories

VDB-429668 | mathurvishal CloudClassroom-PHP-Project manageassessment2.php cross site scriptingvendor-advisoryVDB-429668 | CTI Indicators (IOB, IOC, TTP, IOA)vendor-advisoryCVE-2026-120343 | CVE Analysis and Reportvendor-advisorySubmit #1017562 | mathurvishal CloudClassroom-PHP-Project 5dadec098bfbbf3300d60c3494db3fb95b66e7be Stored Cross-Site Scripting (CWE-79)vendor-advisoryhttps://github.com/capivara-research/manageassessment2-stored-xss/blob/main/manageassessment2-stored-xss.mdvendor-advisory

CVSS Vector Radar Chart

5.3 / 10
Attack VectorNetworkComplexityLowPrivilegesNoneUser Interact.RequiredConfidentialityLowIntegrityNoneAvailabilityNone

Vulnerability Scoring Details

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone required
User InteractionP
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)P
Availability (Erişilebilirlik)None

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

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M
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Weakness Type (CWE & CAPEC)

CWE-79 CWE-94

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CVE-2026-120343 · mathurvishal CloudClassroom-PHP-Project…