2026-04-29 15:39CVE-2026-40230Fluid Attacks
PUBLISHED5.2CWE-79

Helpy 2.8.0 - Stored XSS in knowledgebase Doc body rendering

Helpy contains a stored cross-site scripting vulnerability in the knowledge base Doc rendering logic. An authenticated attacker with admin or agent editor privileges can persist arbitrary HTML or JavaScript in the body field of a knowledge base Doc.This issue affects helpy: 2.8.0.

Problem type

Affected products

helpyio

helpy

2.8.0 - AFFECTED

References

GitHub Security Advisories

GHSA-cgp7-5x28-x8x9

Helpy contains a stored cross-site scripting vulnerability in the knowledge base Doc rendering...

https://github.com/advisories/GHSA-cgp7-5x28-x8x9

Helpy contains a stored cross-site scripting vulnerability in the knowledge base Doc rendering logic. An authenticated attacker with admin or agent editor privileges can persist arbitrary HTML or JavaScript in the body field of a knowledge base Doc.This issue affects helpy: 2.8.0.

JSON source

https://cveawg.mitre.org/api/cve/CVE-2026-40230
Click to expand
{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-40230",
    "assignerOrgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869",
    "assignerShortName": "Fluid Attacks",
    "dateUpdated": "2026-04-29T15:39:09.093Z",
    "dateReserved": "2026-04-10T16:07:49.031Z",
    "datePublished": "2026-04-29T15:39:09.093Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869",
        "shortName": "Fluid Attacks",
        "dateUpdated": "2026-04-29T15:39:09.093Z"
      },
      "title": "Helpy 2.8.0 - Stored XSS in knowledgebase Doc body rendering",
      "descriptions": [
        {
          "lang": "en",
          "value": "Helpy contains a stored cross-site scripting vulnerability in the knowledge base Doc rendering logic. An authenticated attacker with admin or agent editor privileges can persist arbitrary HTML or JavaScript in the body field of a knowledge base Doc.This issue affects helpy: 2.8.0.",
          "supportingMedia": [
            {
              "type": "text/html",
              "base64": false,
              "value": "<span style=\"background-color: rgb(255, 255, 255);\">Helpy contains a stored cross-site scripting vulnerability in the knowledge base Doc rendering logic. An authenticated attacker with admin or agent editor privileges can persist arbitrary HTML or JavaScript in the body field of a knowledge base Doc.</span><p>This issue affects helpy: 2.8.0.</p>"
            }
          ]
        }
      ],
      "affected": [
        {
          "vendor": "helpyio",
          "product": "helpy",
          "platforms": [
            "Windows",
            "MacOS",
            "Linux"
          ],
          "defaultStatus": "unaffected",
          "versions": [
            {
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')",
              "cweId": "CWE-79",
              "type": "CWE"
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        }
      ],
      "references": [
        {
          "url": "https://fluidattacks.com/es/advisories/prisioneros",
          "tags": [
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          "url": "https://github.com/helpyio/helpy",
          "tags": [
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      "impacts": [
        {
          "capecId": "CAPEC-592",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-592 Stored XSS"
            }
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      "metrics": [
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          "value": "Oscar Uribe",
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          "value": "Fluid Attacks' AI SAST Scanner",
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}