Vulnerability-Lookup

GHSA-P46P-M4CQ-5FH8

Vulnerability from github – Published: 2026-08-05 09:31 – Updated: 2026-08-05 09:31

Details

The Super Progressive Web Apps plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the superpwa_settings[offline_message_txt] setting in all versions up to, and including, 2.2.43. This is due to insufficient input sanitization and output escaping. The offline message value is stored without sanitization, passed to the frontend via wp_localize_script() without escaping, and rendered using innerHTML in the JavaScript snackbar component. This makes it possible for authenticated attackers, with Administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user triggers the offline snackbar.

Severity

4.4 (Medium)


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

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-5108"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-05T08:16:34Z",
    "severity": "MODERATE"
  },
  "details": "The Super Progressive Web Apps plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `superpwa_settings[offline_message_txt]` setting in all versions up to, and including, 2.2.43. This is due to insufficient input sanitization and output escaping. The offline message value is stored without sanitization, passed to the frontend via `wp_localize_script()` without escaping, and rendered using `innerHTML` in the JavaScript snackbar component. This makes it possible for authenticated attackers, with Administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user triggers the offline snackbar.",
  "id": "GHSA-p46p-m4cq-5fh8",
  "modified": "2026-08-05T09:31:17Z",
  "published": "2026-08-05T09:31:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-5108"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/super-progressive-web-apps/tags/2.2.41/public/js/register-sw.js#L177"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/super-progressive-web-apps/tags/2.2.41/public/sw.php#L386"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/changeset?reponame=\u0026new=3506063%40super-progressive-web-apps%2Ftrunk\u0026old=3494263%40super-progressive-web-apps%2Ftrunk"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/0332e106-1f97-4c52-b084-ea15d31dee72?source=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-5108 (GCVE-0-2026-5108)

Vulnerability from cvelistv5 – Published: 2026-08-05 06:37 – Updated: 2026-08-05 14:27

Title

Super Progressive Web Apps <= 2.2.43 - Authenticated (Administrator+) Stored Cross-Site Scripting via Offline Message Setting

Summary

The Super Progressive Web Apps plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `superpwa_settings[offline_message_txt]` setting in all versions up to, and including, 2.2.43. This is due to insufficient input sanitization and output escaping. The offline message value is stored without sanitization, passed to the frontend via `wp_localize_script()` without escaping, and rendered using `innerHTML` in the JavaScript snackbar component. This makes it possible for authenticated attackers, with Administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user triggers the offline snackbar.

Severity

4.4 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

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

Assigner

Wordfence

References

4 references

URL	Tags
https://www.wordfence.com/threat-intel/vulnerabil…
https://plugins.trac.wordpress.org/browser/super-…
https://plugins.trac.wordpress.org/browser/super-…
https://plugins.trac.wordpress.org/changeset?repo…

Impacted products

1 product

Vendor	Product	Version
superpwa	Super Progressive Web Apps	Affected: 0 , ≤ 2.2.43 (semver)

Credits

lucsob

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-5108",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-05T14:23:44.343397Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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        "providerMetadata": {
          "dateUpdated": "2026-08-05T14:27:19.325Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Super Progressive Web Apps",
          "vendor": "superpwa",
          "versions": [
            {
              "lessThanOrEqual": "2.2.43",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "lucsob"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Super Progressive Web Apps plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `superpwa_settings[offline_message_txt]` setting in all versions up to, and including, 2.2.43. This is due to insufficient input sanitization and output escaping. The offline message value is stored without sanitization, passed to the frontend via `wp_localize_script()` without escaping, and rendered using `innerHTML` in the JavaScript snackbar component. This makes it possible for authenticated attackers, with Administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user triggers the offline snackbar."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 4.4,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
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              "type": "CWE"
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        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/0332e106-1f97-4c52-b084-ea15d31dee72?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/super-progressive-web-apps/tags/2.2.41/public/sw.php#L386"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/super-progressive-web-apps/tags/2.2.41/public/js/register-sw.js#L177"
        },
        {
          "url": "https://plugins.trac.wordpress.org/changeset?reponame=\u0026new=3506063%40super-progressive-web-apps%2Ftrunk\u0026old=3494263%40super-progressive-web-apps%2Ftrunk"
        }
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      "timeline": [
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          "lang": "en",
          "time": "2026-08-04T17:42:58.000Z",
          "value": "Disclosed"
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      "title": "Super Progressive Web Apps \u003c= 2.2.43 - Authenticated (Administrator+) Stored Cross-Site Scripting via Offline Message Setting"
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    "assignerShortName": "Wordfence",
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    "datePublished": "2026-08-05T06:37:53.144Z",
    "dateReserved": "2026-03-29T18:52:21.942Z",
    "dateUpdated": "2026-08-05T14:27:19.325Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

GHSA-P46P-M4CQ-5FH8

CVE-2026-5108 (GCVE-0-2026-5108)

Tags

Sightings

Nomenclature