LiveActive security incident?Get immediate response
CVE Record

CVE-2020-28129: Stored Cross-site scripting (XSS) vulnerability in SourceCodester Gym Management System 1.0 allows users to...

Stored Cross-site scripting (XSS) vulnerability in SourceCodester Gym Management System 1.0 allows users to inject and store arbitrary JavaScript code in index.php?page=packages via vulnerable fields 'Package Name' and 'Description'.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This CVE describes stored cross-site scripting in SourceCodester Gym Management System 1.0. A user can save JavaScript into package name or description fields, which may later run in another user’s browser. Business risk depends on who can edit packages and who views them.

Executive priority

Treat this as a targeted application hygiene issue, not a confirmed emergency. Prioritize quickly if the system is internet-facing, used by staff administrators, or allows low-trust users to edit package details.

Technical view

The issue affects index.php?page=packages in SourceCodester Gym Management System 1.0. The vulnerable fields are Package Name and Description. The bundle does not provide CVSS, CWE, CPE, authentication context, or a vendor-confirmed patch.

Likely exposure

Exposure is likely limited to organizations running SourceCodester Gym Management System 1.0. Highest concern is deployments where untrusted or lower-privileged users can submit package names or descriptions that staff or administrators later view.

Exploitation context

The CVE is not listed as KEV in the bundle. A public Exploit-DB reference exists, so public exploit information is available, but the provided sources do not prove active exploitation in the wild.

Researcher notes

Evidence is narrow but specific: version 1.0, route index.php?page=packages, and two affected fields. Missing details include privilege requirements, CVSS scoring, patch status, and whether maintained downstream copies changed the code.

Mitigation direction

  • Check SourceCodester or project guidance for updated code or maintainer fixes.
  • Restrict package editing to trusted administrators until validation is complete.
  • Review and sanitize stored package name and description values.
  • Apply output encoding for package data before rendering it in browsers.
  • Consider temporarily disabling vulnerable package-management functionality if exposure is public.

Validation and detection

  • Inventory whether SourceCodester Gym Management System 1.0 is deployed.
  • Confirm whether index.php?page=packages is reachable by untrusted users.
  • Review stored package names and descriptions for unexpected script-like content.
  • Verify package data is safely encoded when rendered in the browser.
  • Check access logs for unusual edits to package records.
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.

cve · low confidence lookup

CVE-2020-28129 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
Unknown
CVSS
Not scored
Known Exploited
No
Published
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.

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

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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