PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-75308 yshopmall CVE debrief

CVE-2026-75308 is a Cross Site Scripting (XSS) vulnerability in yshopmall version 3.3 or earlier. The vulnerability exists in the file upload endpoint /api/upload, which lacks file type validation, allowing attackers to upload malicious files. This could lead to potential XSS attacks, requiring defenders to assess exposure and prioritize verification and mitigation. The CVE record and NVD entry provide limited information about the vulnerability, and further verification is required to determine the affected versions and potential impact.

Vendor
yshopmall
Product
yshopmall
CVSS
MEDIUM 6.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-09
Original CVE updated
2026-09-14
Advisory published
2026-09-09
Advisory updated
2026-09-14

Who should care

Defenders responsible for yshopmall deployments should assess exposure and prioritize verification and mitigation. This includes reviewing inventory, applying patches or mitigations, and monitoring for suspicious activity. Vulnerability management and security teams should also review the vulnerability and provide guidance on compensating controls for exposed systems.

Why it matters

CVE-2026-75308 is a Cross Site Scripting (XSS) vulnerability in yshopmall version 3.3 or earlier. Defenders responsible for yshopmall deployments should assess exposure and prioritize verification and mitigation.

  • Potential XSS attacks require verification and mitigation
  • Defenders must verify inventory and apply patches or mitigations

Technical summary

The file upload endpoint /api/upload in yshopmall version 3.3 or earlier lacks file type validation, allowing attackers to upload malicious files. This vulnerability could be exploited for Cross Site Scripting (XSS) attacks. Defenders should prioritize verifying the vulnerability in their inventory and applying patches or mitigations. The affected product context suggests that operators of yshopmall deployments should review their systems for exposure.

Defensive priority

Defenders should prioritize verifying the vulnerability in their inventory and applying patches or mitigations.

Recommended defensive actions

  • Verify the vulnerability in your inventory
  • Apply patches or mitigations
  • Monitor for suspicious activity

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. Further verification is required to determine the affected versions and potential impact.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-75308 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-75308

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

  • CVE-2026-75308 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-75308

    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.