Accellion FTA 9_12_432 and earlier is affected by stored XSS via a crafted POST request…
Priority LOW 28CWE-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
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Accellion FTA 9_12_432 and earlier is affected by stored XSS via a crafted POST request to a user endpoint. The fixed version is FTA_9_12_444 and later.
Why it matters now
EPSS 0.00721 54th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27731
- 2026-10-03 Alias added: GHSA-r77v-287j-34fv
References
More Accellion Fta vulnerabilities
- TI-2021-08672 Accellion FTA 9_12_370 and earlier is affected by OS command execution via a crafted POST… KEVCVSS 3.1CRITICAL 9.8
- TI-2021-08671 Accellion FTA 9_12_411 and earlier is affected by SSRF via a crafted POST request to… KEVCVSS 3.1CRITICAL 9.8
- TI-2021-08669 Accellion FTA 9_12_370 and earlier is affected by SQL injection via a crafted Host header… KEVCVSS 3.1CRITICAL 9.8
- TI-2021-08670 Accellion FTA 9_12_411 and earlier is affected by OS command execution via a local web… KEVCVSS 3.1HIGH 7.8
- TI-2021-09141 Accellion FTA 9_12_432 and earlier is affected by argument injection via a crafted POST… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-27731 · CVE Program
- CVE-2021-27731 · NVD
- FIRST EPSS
- GHSA-r77v-287j-34fv · GitHub Advisory Database · CC BY 4.0
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