# CVE-2026-125082: sunkaifei FlyCMS Content Rendering detail.html ModelDataService.insertData cross site scripting

Status: published. Published: 2026-11-10. Updated: 2026-11-10.

A security flaw has been discovered in sunkaifei FlyCMS up to e71738e0cfb7ffd48c2ce74242a2dbb43f84f25a. Affected by this vulnerability is the function ModelDataService.insertData of the file articles/detail.html of the component Content Rendering. Performing a manipulation of the argument content results in cross site scripting. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The patch is named 714521a9262e7bc9ca5713c873f57e96a4845352. It is recommended to apply a patch to fix this issue.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/sunkaifei/FlyCms/commit/714521a9262e7bc9ca5713c873f57e96a4845352

## Affected products and versions

- sunkaifei / FlyCMS: e71738e0cfb7ffd48c2ce74242a2dbb43f84f25a (affected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 5.1 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P; source: CNA: VulDB

- CVSS 3.1: 3.5 (low); CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C; source: CNA: VulDB

- CVSS 3.0: 3.5 (low); CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C; source: CNA: VulDB

- CVSS 2.0: 4 (medium); AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-79, CWE-94

## Exploit evidence

- exploit: https://github.com/sunkaifei/FlyCms/issues/18 (CNA: VulDB)

## References

- https://vuldb.com/vuln/433192 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/433192/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-125082 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1041301 (CNA: VulDB; third-party-advisory)

- https://github.com/sunkaifei/FlyCms/issues/18 (CNA: VulDB; exploit, issue-tracking)

- https://github.com/sunkaifei/FlyCms/commit/714521a9262e7bc9ca5713c873f57e96a4845352 (CNA: VulDB; patch)

- https://github.com/sunkaifei/FlyCms/ (CNA: VulDB; product)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-125082; retrieved 2026-11-10; source updated 2026-11-10

Revision: 73852de6be97eb7b76e34d05bc29d74d396e965e1ed7de4339295ac0f11c25f1

Canonical: https://y2.dev/cve/CVE-2026-125082

## 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.