CVE-2026-16573: unknown bit form Cross-site Scripting
Vulnerability summary
CVE-2026-16573 is a high (CVSS 7.5) Cross-site Scripting vulnerability in unknown bit form. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 30% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 3.2.0.
Timeline
- 05-08-2026PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST7.5HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- wordfenceSource7.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
30%
Versus all other CVEs
30-day change
+0.11 pp
From 0.27% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Unknown1 product
- bit form< 3.2.0
Wordpress1 product
- bit-form≤ 3.1.0 (fixed in 3.2.0)
2 vendors · 2 products