Bit Form < 3.2.0 - Unauthenticated Stored XSS via SVG Signature Upload
Priority LOW 35CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
The Bit Form WordPress plugin before 3.2.0 does not sanitize an uploaded signature image before storing it, allowing unauthenticated attackers to upload a crafted SVG file containing JavaScript that executes when the file is viewed, leading to Stored Cross-Site Scripting.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00373 31st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Bit Form (Unknown): 3.2.0
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 | Bit Form | before 3.2.0 | 3.2.0 | Patch available | CNA |
- Bit Form VendorUnknown Affected before 3.2.0 Fixed in 3.2.0 Patch available CNA
Remediation
- Fix · CNA Bit Form (Unknown) Fixed in 3.2.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-16573
- 2026-10-03 Alias added: GHSA-5prm-g28p-frm9
References
Sources
- CVE-2026-16573 · CVE Program
- CVE-2026-16573 · NVD
- FIRST EPSS
- GHSA-5prm-g28p-frm9 · GitHub Advisory Database · CC BY 4.0
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