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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-104252— Vitess vttablet /twopcz reflected XSS

Quick assessment

Affected
vitessio vitess
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.

Vitess 是一个用于 MySQL 水平扩展的数据库集群系统。在版本 23.0.5 和 24.0.2 之前， 中的 函数将来自 vttablet 和 vtcombo 的 HTTP 调试端点的 和 表单值直接写入 响应中，而未进行 HTML 转义。在默认的“允许所有”访问控制列表（ACL）策略下，远程未认证的攻击者可以构造一个恶意请求，当操作员打开该请求后，会在操作员的浏览器中执行脚本。该脚本在 vttablet 调试源上下文中运行，可以读取同源的诊断端点，从而获取该部署中可用的查询、事务、环境变量、变量或性能分析

CVSS 9.8 · Critical

Affected Version Matrix 2

VendorProduct Version RangeStatus
vitessio vitess < 23.0.5 affected
>= 24.0.0, < 24.0.2 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-104252

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Vitess vttablet /twopcz reflected XSS
Source: CVE Program / CVE List V5
Vulnerability Description
Vitess is a database clustering system for horizontal scaling of MySQL. Prior to 23.0.5 and 24.0.2, twopczHandler in go/vt/vttablet/tabletserver/twopcz.go writes the Action and dtid form values from the vttablet and vtcombo /twopcz HTTP debug endpoint into a text/html response without HTML escaping. Under the default allow-all ACL policy, a remote unauthenticated attacker can send an operator a crafted request that executes script in the operator's browser after the request is opened. The script runs with the vttablet debug origin and can read same-origin diagnostic endpoints that expose query, transaction, environment, variable, or profiling data available in that deployment. This issue is fixed in versions 23.0.5 and 24.0.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
vitessio vitess < 23.0.5 -

II. Public POCs for CVE-2026-104252

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-104252

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-104252 (6)

Vendor Advisories for CVE-2026-104252 (1)

Vendor Pages for CVE-2026-104252 (2)

IV. Related Vulnerabilities

Same product: vitess
Same vendor: vitessio
Same weakness: CWE-79

V. Comments for CVE-2026-104252

No comments yet

Leave a comment