# CVE-2026-124649: Lightbox with PhotoSwipe < 5.19.0 - Unauthenticated Stored XSS via Comment Link Title

Status: published. Published: 2026-11-14. Updated: 2026-11-14.

The Lightbox with PhotoSwipe WordPress plugin before 5.19.0 does not properly sanitise link titles and other caption sources before inserting them as HTML into the image lightbox caption, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks via comments.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Unknown / Lightbox with PhotoSwipe: ≥ 0; < 5.19.0 (affected, semver). Source: CNA: WPScan

## Severity and prioritization

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-79

## Exploit evidence

- exploit: https://wpscan.com/vulnerability/c2c4ba65-7e51-4ec1-b7a9-8248071c86de/ (CNA: WPScan)

## References

- https://wpscan.com/vulnerability/c2c4ba65-7e51-4ec1-b7a9-8248071c86de/ (CNA: WPScan; exploit, vdb-entry, technical-description)

## Provenance

- CNA: WPScan: https://www.cve.org/CVERecord?id=CVE-2026-124649; retrieved 2026-11-14; source updated 2026-11-14

Revision: f2fa60653829b32c2daf73f878ea500551b57d1f9419b5589a6a28987406ec5a

Canonical: https://y2.dev/cve/CVE-2026-124649

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- 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.