Unauthenticated stored XSS in Piotnet Forms via file upload
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
The Piotnet Forms WordPress plugin through 1.0.30 does not authenticate or validate form-submission file upload requests. It permits browser-renderable file types to be stored, which lets an unauthenticated attacker store a file that runs arbitrary JavaScript in the site's origin when it is opened (CWE-79). The references include a link to an exploit.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
The Piotnet Forms WordPress plugin through 1.0.30 does not authenticate or validate a form-submission file-upload request and permits browser-renderable file types to be stored, allowing unauthenticated attackers to store a file that executes arbitrary JavaScript in the site's origin when it is opened (Stored XSS).
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Piotnet Forms | up to 1.0.30 | — | No fix listed | CNA |
- Piotnet Forms VendorUnknown Affected up to 1.0.30 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for Piotnet Forms.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-11 Threatist record created from CVE-2026-96227
- 2026-10-11 Alias added: GHSA-6pfh-rcm2-3cv3
- 2026-10-12 Priority changed: LOW → MEDIUM
References
Sources
- CVE-2026-96227 · CVE Program
- CVE-2026-96227 · NVD
- FIRST EPSS
- GHSA-6pfh-rcm2-3cv3 · 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