PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-11520 SourceCodester CVE debrief

A weakness has been identified in SourceCodester Inventory System 1.0. The issue affects an unknown functionality of the file `header.php`, enabling cross-site scripting through manipulation. The attack can be initiated remotely, and a public exploit is available.

Vendor
SourceCodester
Product
Inventory System
CVSS
LOW 2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-08
Original CVE updated
2026-07-23
Advisory published
2026-06-08
Advisory updated
2026-07-23

Who should care

Users of SourceCodester Inventory System 1.0 should be aware of this low-severity vulnerability (CVSS Score: 2, CVSS Severity: LOW) and take necessary precautions.

Technical summary

The vulnerability, categorized under CWE-79 and CWE-94, allows for cross-site scripting due to improper handling of user input in the `header.php` file of SourceCodester Inventory System 1.0.

Defensive priority

Low

Recommended defensive actions

  • Apply patches or updates as available from the vendor.
  • Implement input validation and output encoding to prevent cross-site scripting attacks.
  • Monitor the system for suspicious activity.

Evidence notes

The CVE record and details were obtained from official sources, including CVE.org and NVD.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11520 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11520

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-11520 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11520

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.