CVE-2026-39772— WordPress Captcha by BestWebSoft plugin <= 5.2.8 - Bypass Vulnerability vulnerability
Quick assessment
Affected
bestwebsoft Captcha by BestWebSoft
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
BestWebSoft 版本 <= 5.2.8 中的验证码（Captcha）存在未经认证的绕过漏洞。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-39772
Vulnerability Information
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Vulnerability Title
WordPress Captcha by BestWebSoft plugin <= 5.2.8 - Bypass Vulnerability vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Bypass Vulnerability in Captcha by BestWebSoft <= 5.2.8 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用欺骗进行的认证绕过
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| bestwebsoft | Captcha by BestWebSoft | n/a ~ 5.2.8 | - |
|
II. Public POCs for CVE-2026-39772
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-39772 (1)
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V. Comments for CVE-2026-39772
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