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CVE-2026-100673 (GCVE-0-2026-100673)

Vulnerability from nvd – Published: 2026-09-26 13:23 – Updated: 2026-09-30 20:11

Title

Grav Data Manager before 1.4.5 Stored XSS via item-detail view

Summary

The Grav Data Manager plugin (getgrav/grav-plugin-datamanager) versions 1.0.1 through 1.4.4 render stored data entries in the item-detail view (admin/templates/partials/item.html.twig) without escaping, applying Twig's `raw` filter — in some cases after a striptags('<br>') call that PHP's strip_tags() bypasses by preserving allowed tags together with their attributes. An unauthenticated visitor who submits a front-end form whose submissions are saved to user/data can store an HTML payload that executes as JavaScript in the session and origin of an administrator who later opens that entry in the classic admin panel, running with that administrator's privileges and CSRF token. Execution occurs without further interaction for list values (such as checkbox or multi-select fields) and on hover for ordinary text fields. Sites using the Grav 2.0 Admin Next interface are not affected, because it renders the same data through a separate, correctly escaping code path. The issue is fixed in Data Manager 1.4.5.

Severity

8.4 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N

8.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-30 18:43 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

VulnCheck mitre root Scorecard

References

2 references

URL	Tags
https://github.com/getgrav/grav/security/advisori…	vendor-advisory
https://www.vulncheck.com/advisories/grav-data-ma…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
getgrav	grav-plugin-datamanager	Affected: 1.0.1 , < 1.4.5 (semver) Unaffected: 1.4.5 (semver)

Date Public

2026-09-10 00:00

Credits

AlpetGexha

Show details on NVD website

JSON

To clipboard

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              "content": {
                "id": "CVE-2026-100673",
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                    "Automatable": "no"
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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2026-09-30T18:43:46.378427Z",
                "version": "2.0.3"
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          "dateUpdated": "2026-09-30T20:11:12.708Z",
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          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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          "type": "reporter",
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          "value": "The Grav Data Manager plugin (getgrav/grav-plugin-datamanager) versions 1.0.1 through 1.4.4 render stored data entries in the item-detail view (admin/templates/partials/item.html.twig) without escaping, applying Twig\u0027s `raw` filter \u2014 in some cases after a striptags(\u0027\u003cbr\u003e\u0027) call that PHP\u0027s strip_tags() bypasses by preserving allowed tags together with their attributes. An unauthenticated visitor who submits a front-end form whose submissions are saved to user/data can store an HTML payload that executes as JavaScript in the session and origin of an administrator who later opens that entry in the classic admin panel, running with that administrator\u0027s privileges and CSRF token. Execution occurs without further interaction for list values (such as checkbox or multi-select fields) and on hover for ordinary text fields. Sites using the Grav 2.0 Admin Next interface are not affected, because it renders the same data through a separate, correctly escaping code path. The issue is fixed in Data Manager 1.4.5."
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            "vulnIntegrityImpact": "LOW"
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N",
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          "name": "GitHub Security Advisory (GHSA-863q-9v8v-m9fv)",
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            "vendor-advisory"
          ],
          "url": "https://github.com/getgrav/grav/security/advisories/GHSA-863q-9v8v-m9fv"
        },
        {
          "name": "VulnCheck Advisory: Grav Data Manager before 1.4.5 Stored XSS via item-detail view",
          "tags": [
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          "url": "https://www.vulncheck.com/advisories/grav-data-manager-before-1.4.5-stored-xss-via-item-detail-view"
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      "title": "Grav Data Manager before 1.4.5 Stored XSS via item-detail view",
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CVE-2026-100673 (GCVE-0-2026-100673)

Vulnerability from cvelistv5 – Published: 2026-09-26 13:23 – Updated: 2026-09-30 20:11

Title

Grav Data Manager before 1.4.5 Stored XSS via item-detail view

Summary

The Grav Data Manager plugin (getgrav/grav-plugin-datamanager) versions 1.0.1 through 1.4.4 render stored data entries in the item-detail view (admin/templates/partials/item.html.twig) without escaping, applying Twig's `raw` filter — in some cases after a striptags('<br>') call that PHP's strip_tags() bypasses by preserving allowed tags together with their attributes. An unauthenticated visitor who submits a front-end form whose submissions are saved to user/data can store an HTML payload that executes as JavaScript in the session and origin of an administrator who later opens that entry in the classic admin panel, running with that administrator's privileges and CSRF token. Execution occurs without further interaction for list values (such as checkbox or multi-select fields) and on hover for ordinary text fields. Sites using the Grav 2.0 Admin Next interface are not affected, because it renders the same data through a separate, correctly escaping code path. The issue is fixed in Data Manager 1.4.5.

Severity

8.4 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N

8.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-30 18:43 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

VulnCheck mitre root Scorecard

References

2 references

URL	Tags
https://github.com/getgrav/grav/security/advisori…	vendor-advisory
https://www.vulncheck.com/advisories/grav-data-ma…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
getgrav	grav-plugin-datamanager	Affected: 1.0.1 , < 1.4.5 (semver) Unaffected: 1.4.5 (semver)

Date Public

2026-09-10 00:00

Credits

AlpetGexha

Show details on NVD website

JSON

To clipboard

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    "adp": [
      {
        "metrics": [
          {
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              "content": {
                "id": "CVE-2026-100673",
                "options": [
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                    "Exploitation": "none"
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                    "Automatable": "no"
                  },
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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2026-09-30T18:43:46.378427Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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          }
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          "dateUpdated": "2026-09-30T20:11:12.708Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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          "lang": "en",
          "type": "reporter",
          "value": "AlpetGexha"
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            "vulnIntegrityImpact": "LOW"
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Find a vulnerability

Search criteria

2 vulnerabilities found for grav-plugin-datamanager by getgrav

CVE-2026-100673 (GCVE-0-2026-100673)

CVE-2026-100673 (GCVE-0-2026-100673)