Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-111278— NivoCart through 2.5.1 CAPTCHA Bypass via Answer Disclosed in Page HTML

Quick assessment

Affected
nivocart nivocart
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.

NivoCart 2.5.1 及更早版本存在一个 CAPTCHA 绕过漏洞，允许未认证的攻击者绕过表单保护机制。由于预期验证码以纯文本形式直接输出在 HTML 中，攻击者可以获取受保护的表单，通过模式匹配提取 captcha_image 字段值，并利用该值自动执行垃圾信息提交、用户注册、评论发布以及账户删除请求。

CVSS 5.3 · Medium EPSS 0.32% · P24

Affected Version Matrix 1

VendorProduct Version RangeStatus
nivocart nivocart ≤ 2.5.1 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-111278

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
NivoCart through 2.5.1 CAPTCHA Bypass via Answer Disclosed in Page HTML
Source: CVE Program / CVE List V5
Vulnerability Description
NivoCart through 2.5.1 contains a CAPTCHA bypass vulnerability that allows unauthenticated attackers to defeat form protection because the expected code is printed as plain text in the HTML. Attackers can fetch protected forms, extract the captcha_image value with a pattern match, and submit it to automate spam, registrations, reviews, and account deletion requests.
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
可猜测的验证码
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
nivocart nivocart 0 ~ 2.5.1 -

II. Public POCs for CVE-2026-111278

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-111278

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-111278 (1)

Proof of Concept for CVE-2026-111278 (3)

Other References for CVE-2026-111278 (1)

IV. Related Vulnerabilities

Same product: nivocart
Same vendor: nivocart
Same weakness: CWE-804

V. Comments for CVE-2026-111278

No comments yet

Leave a comment