FlatPress XML File Handler/MD File admin.uploader.php onupload cross site scripting
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
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
A vulnerability classified as problematic was found in FlatPress. This vulnerability affects the function onupload of the file admin/panels/uploader/admin.uploader.php of the component XML File Handler/MD File Handler. The manipulation leads to cross site scripting. The attack can be initiated remotely. The name of the patch is 3cc223dec5260e533a84b5cf5780d3a4fbf21241. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-217000.
Why it matters now
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 |
|---|---|---|---|---|---|
| — | FlatPress | all versions | — | No fix listed | CNA |
- FlatPress Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:flatpress:flatpress:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | flatpressblog |
- cpe:2.3:a:flatpress:flatpress:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·flatpressblog
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-4821
- 2026-10-03 Alias added: GHSA-gpvj-w4qp-hf4h
References
More flatpressblog Flatpress vulnerabilities
- TI-2023-00898 Path Traversal in flatpressblog/flatpress CVSS 3.1CRITICAL 9.8
- TI-2022-04209 PHP Remote File Inclusion in flatpressblog/flatpress CVSS 3.1CRITICAL 9.8
- TI-2023-01045 External Control of File Name or Path in flatpressblog/flatpress CVSS 3.1HIGH 8.1
- TI-2022-18965 Flatpress v1.2.1 was discovered to contain a remote code execution (RCE) vulnerability in the Upload File function. CVSS 3.1HIGH 7.2
- TI-2024-09138 Cross-Site Request Forgery (CSRF) in flatpressblog/flatpress CVSS 3.0HIGH 8.0
- TI-2024-03752 Stored XSS in flatpressblog/flatpress CVSS 3.0HIGH 8.1
Sources
- CVE-2022-4821 · CVE Program
- CVE-2022-4821 · NVD
- FIRST EPSS
- GHSA-gpvj-w4qp-hf4h · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences