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CVE Record

CVE-2023-3563: GZ Scripts GZ E Learning Platform URL Parameter cross site scripting

A vulnerability was found in GZ Scripts GZ E Learning Platform 1.8 and classified as problematic. This issue affects some unknown processing of the component URL Parameter Handler. The manipulation leads to cross site scripting. The attack may be initiated remotely. The identifier VDB-233357 was assigned to this vulnerability.

MediumCVSS 4Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2023-3563 is a cross-site scripting issue in GZ Scripts GZ E Learning Platform 1.8. An authenticated remote attacker may be able to manipulate URL parameters so script runs in a user's browser. The documented impact is limited to integrity, not data theft or service outage.

Executive priority

Treat this as a moderate web application risk. It is not described as actively exploited, but affected learning portals could expose users to browser-side tampering if left unremediated.

Technical view

The source bundle maps this to CWE-79 in the URL Parameter Handler of GZ E Learning Platform 1.8. CVSS v2 is 4.0 with network access, low complexity, single authentication, no confidentiality impact, partial integrity impact, and no availability impact. The affected internal processing is not identified.

Likely exposure

Exposure appears limited to organizations running GZ Scripts GZ E Learning Platform version 1.8, especially web-accessible instances with authenticated user access. The source bundle provides no CPEs or broader affected version range.

Exploitation context

The vulnerability can be initiated remotely, but the CVSS vector indicates authentication is required. The bundle does not show CISA KEV status or other evidence of active exploitation. Public references are sparse, and no patch details are included.

Researcher notes

Evidence is incomplete. The CVE and VulDB references identify the product, version, component class, CWE, and CVSS v2 vector, but not the exact parameter, route, code path, exploit maturity, or vendor fix.

Mitigation direction

  • Inventory GZ E Learning Platform deployments and confirm whether version 1.8 is present.
  • Check GZ Scripts and VulDB guidance for patched releases or vendor workarounds.
  • Restrict portal access to trusted authenticated users where feasible.
  • Review URL parameter handling for output encoding and input validation gaps.
  • Monitor logs for suspicious parameter values or user reports of browser script behavior.

Validation and detection

  • Confirm product and version from deployment records or the application admin interface.
  • Identify public and internal pages that accept URL parameters.
  • Use controlled, non-destructive XSS validation in a test environment.
  • Review responses for unsanitized reflection of user-controlled URL parameters.
  • Check WAF and proxy logs for unusual URL parameter patterns.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2023-3563 mapping review

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

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
4 (2.0)
Known Exploited
No
Published

Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N

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.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

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.

ScoreVersionSeverityVectorExploitImpactSource
4CVSS 2.0MediumAV:N/AC:L/Au:S/C:N/I:P/A:N82.9Primary CVE score

Vulnerability scoring details

Base CVSS 2.0 score

4Medium
CVSS 2.0 vector shape for CVE-2023-3563Access VectorAccess ComplexityAuthenticationConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N

Access Vector
NetworkAdjacentLocal
Access Complexity
LowMediumHigh
Authentication
NoneSingleMultiple
Confidentiality Impact
CompletePartialNone
Integrity Impact
CompletePartialNone
Availability Impact
CompletePartialNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
GZ ScriptsGZ E Learning Platform1.8Listed
Weakness

CWE details

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 ('Cross-site Scripting')

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