Is AutoTDK - SEO Search Keyword Tool safe?

Medium risk

AutoTDK is medium risk. Confirming the AI detector in AutoTDK collects visible page text and sends up to 2,000 characters plus the page host to autotdk.com. The content script requires confirmation and a minimum length; captured traffic showed only a favicon hit.

TouhouProjIncv1.3.0Chrome Web Store
45Risk
Who publishes it

TouhouProjInc - 2 other listings from the same operator, 2 of them carrying a finding

What this publisher told the store about itself, and the other listings that told it the same thing.

Publisher
TouhouProjInc

Same store account

2 other listings published from this account, 140k+ users between them. 2 of them carry a finding.

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

Publishers can request a review.

Findings

AI Detector Sends Page Text to AutoTDK

Confirming the AI detector in AutoTDK collects visible page text and sends up to 2,000 characters plus the page host to autotdk.com.

The content script requires confirmation and a minimum length; captured traffic showed only a favicon hit.

Severity
Medium unwanted
Type
Unexpected
CWE
CWE-359
Source
Dynamic sandbox
What actually happens
You did this

You confirm the AI detector feature on a page.

The UI wires the confirmation component's `onSure` handler to the detector function.

The extension did this

The extension extracts page text and sends it to AutoTDK for analysis.

The content script sends up to 2,000 characters and the current host to the background service worker.

Fields prepared for the detector request
  • Page text
    2026 SEO checklist: improve page titles, headings, internal links, and content depth. (illustrative)

    Text from the page you are checking leaves the browser for analysis; private or internal page content can be included.

  • Page host
    www.example.com (illustrative)

    The receiving service can associate the submitted text with the site you were viewing.

  • Extension source label
    seo_search_keyword_tool

    The request marks the submission as coming from the SEO Search Keyword Tool extension.

Captured request
POSThttps://autotdk.com/api/text/detect-ai?f=seo_search_keyword_tool&h=www.example.com

The recorded traffic for this claim did not include this POST; earlier traffic showed only GET https://autotdk.com/favicon.ico.

Headers
source
seo_search_keyword_tool
Content-Type
application/json
The code that does this

The detector code path that prepares and sends page text

Readable version

Readable content script extracts visible text and sends content plus host

content/content.js
detect: async () => {  l.value = !0, i.globalLoading = !0, d.needSure = !1, h.timers = 6;  try {    if (!document.querySelector("h1")) throw d.rules_tip = t("ai-detector.no_h1_tips").replace("[check]", ""), l.value = !1, i.globalLoading = !1, new Error("no h1");    const e = function(e = 0) {        try {          const t = document.createElement("div");          let a = document.querySelector("h1");          if (a) {            const e = window.getComputedStyle(a);            "none" !== e.display && "hidden" !== e.visibility || (a = null)          }          if (a) {            const e = document.createRange();            e.setStartBefore(a), e.setEndAfter(document.body), t.appendChild(e.cloneContents())          } else t.appendChild(document.body.cloneNode(!0));          const s = ["CODE", "PRE", "IMG", "VIDEO", "AUDIO", "SCRIPT", "STYLE", "NOSCRIPT", "META", "LINK", "IFRAME", "NAV", "FOOTER", "SVG", "CANVAS"],            n = document.createTreeWalker(t, NodeFilter.SHOW_ELEMENT, {              acceptNode: e => s.includes(e.tagName) ? NodeFilter.FILTER_ACCEPT : NodeFilter.FILTER_SKIP            }),            i = [];          for (; n.nextNode();) i.push(n.currentNode);          i.forEach((e => e.parentNode?.removeChild(e)));          let l = "",            o = !1,            r = null;          const c = new Set(["DIV", "P", "H1", "H2", "H3", "H4", "H5", "H6", "LI", "UL", "OL"]),            d = document.createTreeWalker(t, NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_TEXT, null),            u = (t, a = !1) => {              if (e > 0 && l.length >= e) return !1;              const s = e > 0 ? e - l.length : 1 / 0;              let n = t;              return t.length > s && (n = "", o = !0), l += n, !o            };          e: for (; d.nextNode();) {            const e = d.currentNode;            if (e.nodeType === Node.TEXT_NODE) {              let t = e.textContent.replace(/\s+/g, " " ).replace(/^\s+|\s+$/g, "");              if (t) {                if ("BLOCK_START" === r && (t = t.trimStart()), !u(t)) break;                r = "TEXT"              }            } else if (e.nodeType === Node.ELEMENT_NODE) {              const t = e.tagName,                a = window.getComputedStyle(e);              if ("none" === a.display || "hidden" === a.visibility) continue;              if (c.has(t)) {                if (l.length > 0 && !l.endsWith("\n") && !u("\n", !0)) break;                r = "BLOCK_START"              }              switch (t) {                case "LI":                  if (!u("OL" === e.parentNode.tagName ? `${Array.from(e.parentNode.children).indexOf(e)+1}. ` : "• ")) break e;                  break;                case "BR":                  if (!u("\n", !0)) break e;                  break;                case "H1":                case "H2":                case "H3":                case "H4":                case "H5":                case "H6":                  if (!u(`\n${"#".repeat(parseInt(t[1]))}`, !0)) break e              }            }            if (o) break          }          let m = l.slice(0, e);          return m = m.replace(/(#+)\s*\n+/g, "$1\n\n").replace(/(\S)\n(\S)/g, "$1 $2").replace(/\s+$/, "").trim(), o && (m = m.replace(/\s+$/, "") + "..."), m        } catch (e) {          throw e        }      }(2e3),      s = e.substring(0, 2e3);    if (s.length <= 300) throw d.content_tip = t("ai-detector.contet_short"), new Error("content short");    if (await new Promise((e => setTimeout(e, 500))), u) return;    const n = await chrome.runtime.sendMessage({      type: "ai-detector",      content: s,      host: location.host    });    if (u) return;    if (1e5 === n.code && n.data.task_id) h.result_timer = setTimeout((() => {      u || (h.result(n.data.task_id, s), clearTimeout(d.result_timer))    }), 2e3);    else {      if (120008 !== n.code) throw new Error("error");      d.err = !1, d.limit_tip = t("ai-detector.limit_tips").replace("[href]", `https://autotdk.com${"en"===a.value?"":`/${a.value}`}/ai-detector`), d.limit = !0, l.value = !1, i.globalLoading = !1    }  } catch (e) {    l.value = !1, i.globalLoading = !1, d.err = !1, ["content short", "no h1"].includes(e.message) || (d.err = !0, H.nk.error({      message: t('message["Operation failed"]'),      appendTo: w.querySelector(".autotdk_ext_content"),      customClass: "position-absolute z-4"    }))  }}

Readable service worker sends JSON text to AutoTDK

background.js
} else if ("ai-detector" === e.type) {  let o = await fetch(`${t}/api/text/detect-ai?f=seo_search_keyword_tool&h=${e.host}`, {    method: "POST",    headers: {      "Content-Type": "application/json",      source: "seo_search_keyword_tool"    },    body: JSON.stringify({      text: e.content    })  });  o = await o.json(), s(o)}
External service receiving the detector submission
    • autotdk.com

    Receives the AI-detector POST at /api/text/detect-ai with submitted page text and the page host.

Updated 30 September 2026hpmllfbpmmhjncbfofmkkgomjpfaocca