CVE-2026-16573 json
Bit Form < 3.2.0 - Unauthenticated Stored XSS via SVG Signature Upload
published 2026-08-05 3 mo ago modified 2026-08-26 2 mo ago also EUVD-2026-53101
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 31%
- public exploits
- 0
- none known
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.
Patch / fix
- Unknown Bit Form 3.2.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 3 mo ago
Exploit prediction
0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/a102e6ba-02f3-46cf-b496-f129ea3d9c8f/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Unknown Bit Form
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/a102e6ba-02f3-46cf-b496-f129ea3d9c8f/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-16573
- NVD CVE-2026-16573
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.