CVE-2026-82451 (GCVE-0-2026-82451)

Vulnerability from cvelistv5 – Published: 2026-08-29 13:47 – Updated: 2026-08-29 13:47
VLAI
Title
Formwork through 2.3.14 Stored XSS via Referer Header
Summary
Formwork through 2.3.14 contains a stored cross-site scripting vulnerability in visit tracking that records the Referer header host unescaped. Unauthenticated attackers can craft malicious Referer headers to inject markup that executes in administrator browsers when viewing the Statistics panel.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Vendor Product Version CPE status
getformwork Formwork Affected: 0 , ≤ 2.3.14 (semver)
    cpe:2.3:a:formwork_project:formwork:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-26 00:00
Credits
Abdurakhmon Kodirov
Show details on NVD website
To clipboard 

{
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        {
          "collectionURL": "https://github.com/getformwork/formwork",
          "defaultStatus": "unaffected",
          "packageURL": "pkg:github/getformwork/formwork",
          "product": "Formwork",
          "repo": "https://github.com/getformwork/formwork",
          "vendor": "getformwork",
          "versions": [
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
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      "descriptions": [
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        }
      ],
      "metrics": [
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            "baseSeverity": "MEDIUM",
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            "vulnIntegrityImpact": "LOW"
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      "problemTypes": [
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          "descriptions": [
            {
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              "description": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
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              "type": "CWE"
            }
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      "providerMetadata": {
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        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Security Advisory (GHSA-hpgc-57cm-66pc)",
          "tags": [
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          ],
          "url": "https://github.com/getformwork/formwork/security/advisories/GHSA-hpgc-57cm-66pc"
        },
        {
          "name": "Vulnerable code: statistics/index.php (unescaped source)",
          "tags": [
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          ],
          "url": "https://github.com/getformwork/formwork/blob/89d1908572e55809d6ee1771f59a816494c29573/panel/views/statistics/index.php"
        },
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          "url": "https://github.com/getformwork/formwork"
        },
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          "name": "VulnCheck Advisory: Formwork through 2.3.14 Stored XSS via Referer Header",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/formwork-through-2.3.14-stored-xss-via-referer-header"
        }
      ],
      "title": "Formwork through 2.3.14 Stored XSS via Referer Header",
      "x_generator": {
        "engine": "vulncheck-endgame"
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  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-82451",
    "datePublished": "2026-08-29T13:47:54.007Z",
    "dateReserved": "2026-08-29T13:22:58.240Z",
    "dateUpdated": "2026-08-29T13:47:54.007Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
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      "date": "2026-09-01",
      "epss": "0.00211",
      "percentile": "0.11259"
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  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.