Vulnerability-Lookup

CVE-2026-89307 (GCVE-0-2026-89307)

Vulnerability from cvelistv5 – Published: 2026-09-15 15:23 – Updated: 2026-09-15 17:31

Title

HTML injection allows open redirection in WordPress theme design-scuole-wordpress-theme

Summary

The "Firma Circolare" feature in the "Design Scuole Italia" WordPress theme allows an authenticated attacker to inject arbitrary HTML via the sign parameter, enabling forced redirection of visiting users to an attacker-controlled URL (Stored HTML Injection / Open Redirect).

Severity

5.1 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-15 17:16 UTC

CWE

CWE-601 - URL redirection to untrusted site ('open redirect')

Assigner

ENISA ENISA root

References

2 references

URL	Tags
https://github.com/italia/design-scuole-wordpress-theme	product
https://www.acn.gov.it/portale/w/rilevate-vulnera…	government-resource

Impacted products

1 product

Vendor	Product	Version	CPE status
Developers Italia	design-scuole-wordpress-theme	Affected: 1.0 , ≤ 2.17.3 (semver) cpe:2.3:a:developers_italia:design-scuole-wordpress-theme::::::::

Credits

Lorenzo Zarfati CSIRT-IT

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-89307

Vulnerability from fkie_nvd - Published: 2026-09-15 16:17 - Updated: 2026-09-15 18:19

Severity

5.1 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Summary

References

	URL	Tags
	a6d3dc9e-0591-4a13-bce7-0f5b31ff6158	https://github.com/italia/design-scuole-wordpress-theme
	a6d3dc9e-0591-4a13-bce7-0f5b31ff6158	https://www.acn.gov.it/portale/w/rilevate-vulnerabilita-nel-tema-wordpress-design-scuole-italia-

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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  ],
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  "lastModified": "2026-09-15T18:19:36.323",
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          "modifiedPrivilegesRequired": "NOT_DEFINED",
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GHSA-WFJC-XR6C-C6VW

Vulnerability from github – Published: 2026-09-15 18:32 – Updated: 2026-09-15 18:32

Details

Severity

5.1 (Medium)


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

Show details on source website

JSON

To clipboard

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  "affected": [],
  "aliases": [
    "CVE-2026-89307"
  ],
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    "cwe_ids": [
      "CWE-601"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-15T16:17:39Z",
    "severity": "MODERATE"
  },
  "details": "The \"Firma Circolare\" feature in the \"Design Scuole Italia\" WordPress theme allows an authenticated attacker to inject arbitrary HTML via the sign parameter, enabling forced redirection of visiting users to an attacker-controlled URL (Stored HTML Injection / Open Redirect).",
  "id": "GHSA-wfjc-xr6c-c6vw",
  "modified": "2026-09-15T18:32:27Z",
  "published": "2026-09-15T18:32:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89307"
    },
    {
      "type": "WEB",
      "url": "https://github.com/italia/design-scuole-wordpress-theme"
    },
    {
      "type": "WEB",
      "url": "https://www.acn.gov.it/portale/w/rilevate-vulnerabilita-nel-tema-wordpress-design-scuole-italia-"
    }
  ],
  "schema_version": "1.4.0",
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      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-89307 (GCVE-0-2026-89307)

FKIE_CVE-2026-89307

GHSA-WFJC-XR6C-C6VW

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Sightings

Nomenclature

Related by attack behaviour