# CVE-2026-103303: Turisbook Booking System <= 1.3.8 - Unauthenticated Stored XSS via Cart Background Setting

Status: published. Published: 2026-11-08. Updated: 2026-11-08.

The Turisbook Booking System WordPress plugin through 1.3.8 does not have authorisation and CSRF checks when saving its settings, and does not sanitise and escape one of them before outputting it in an admin page, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks against administrators.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Unknown / Turisbook Booking System: ≥ 0; ≤ 1.3.8 (affected, semver). Source: CNA: WPScan

## Severity and prioritization

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-79, CWE-352

## Exploit evidence

- exploit: https://wpscan.com/vulnerability/10693b34-ab03-4c24-bd9d-5a2efbfdbeb2/ (CNA: WPScan)

## References

- https://wpscan.com/vulnerability/10693b34-ab03-4c24-bd9d-5a2efbfdbeb2/ (CNA: WPScan; exploit, vdb-entry, technical-description)

## Provenance

- CNA: WPScan: https://www.cve.org/CVERecord?id=CVE-2026-103303; retrieved 2026-11-08; source updated 2026-11-08

Revision: 1e62024b743282321fb7854c7ed70ce3b500d61af4e23b978bac3f56e56e4765

Canonical: https://y2.dev/cve/CVE-2026-103303

## Agent and API access

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- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.