helpers.py in Flask-Admin 1.5.2 has Reflected XSS via a crafted URL.
Priority LOW 30CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
helpers.py in Flask-Admin 1.5.2 has Reflected XSS via a crafted URL.
Why it matters now
EPSS 0.01224 68th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Flask-Admin (PyPI): 1.5.3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | Flask-Admin (PyPI) | before 1.5.3 | 1.5.3 | Patch available | GHSA-894g-6j7q-2hx6 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- Flask-Admin (PyPI) Vendor— Affected before 1.5.3 Fixed in 1.5.3 Patch available GHSA-894g-6j7q-2hx6
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:flask-admin_project:flask-admin:1.5.2:*:*:*:*:*:*:* | 1.5.2 | Vulnerable | Flask-admin Project |
- cpe:2.3:a:flask-admin_project:flask-admin:1.5.2:*:*:*:*:*:*:* Versions 1.5.2 Vulnerable ·Flask-admin Project
Remediation
- Fix · GHSA-894g-6j7q-2hx6 Flask-Admin (PyPI) Fixed in 1.5.3 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2018-16516
- 2026-10-03 Alias added: GHSA-894g-6j7q-2hx6
References
Advisory 4
Other 6
- https://github.com/flask-admin/flask-admin/commit/8af10e0b022464fdcb2da3d0ea5bbd2f11c0acd1
- https://github.com/flask-admin/flask-admin
- https://github.com/flask-admin/flask-admin/releases/tag/v1.5.3
- https://github.com/pypa/advisory-database/tree/main/vulns/flask-admin/PYSEC-2018-54.yaml
- https://lists.fedoraproject.org/archives/list/[email protected]/message/UJIYCWIH3BRLI2QNC53CQXLKVP27X7EH
- https://lists.fedoraproject.org/archives/list/[email protected]/message/ZU2VKULURVXEU4YFTLMBQGYMPSXQ4MBN
Sources
- CVE-2018-16516 · CVE Program
- CVE-2018-16516 · NVD
- FIRST EPSS
- GHSA-894g-6j7q-2hx6 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-16516 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences