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    6 vulnerabilities by nosilver4u

    CVE-2026-15446 (GCVE-0-2026-15446)

    Vulnerability from nvd – Published: 2026-08-19 06:37 – Updated: 2026-08-19 06:37
    VLAI
    Title
    EWWW Image Optimizer <= 8.7.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'data-script' Lazy Load Attribute in Post Content
    Summary
    The EWWW Image Optimizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'data-script' Lazy Load Attribute in Post Content in all versions up to, and including, 8.7.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploit is achieved by embedding a crafted img element with class='lazyload' and a data-script attribute pointing to an attacker-controlled URL in post content, which the plugin's bundled lazysizes ls.unveilhooks addon then uses to dynamically create and insert a script element into the DOM at page view time.
    Severity
    6.4 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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
    nosilver4u EWWW Image Optimizer Affected: 0 , ≤ 8.7.3 (semver)
    		Create a notification for this product.
    Credits
    UKO
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "EWWW Image Optimizer",
          "vendor": "nosilver4u",
          "versions": [
            {
              "lessThanOrEqual": "8.7.3",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "UKO"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The EWWW Image Optimizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via \u0027data-script\u0027 Lazy Load Attribute in Post Content in all versions up to, and including, 8.7.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploit is achieved by embedding a crafted img element with class=\u0027lazyload\u0027 and a data-script attribute pointing to an attacker-controlled URL in post content, which the plugin\u0027s bundled lazysizes ls.unveilhooks addon then uses to dynamically create and insert a script element into the DOM at page view time."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.4,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-19T06:37:54.690Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
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        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/e8af1fdb-7fec-4bbe-937b-ee2e76cf5c5b?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/ewww-image-optimizer/tags/8.7.3/includes/ls.unveilhooks.js#L116"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/ewww-image-optimizer/tags/8.7.3/includes/ls.unveilhooks.js#L178"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/ewww-image-optimizer/tags/8.7.3/classes/class-lazy-load.php#L1679"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/ewww-image-optimizer/tags/8.7.3/classes/class-lazy-load.php#L496"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/ewww-image-optimizer/tags/8.6.0/includes/ls.unveilhooks.js#L116"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/ewww-image-optimizer/tags/8.6.0/includes/ls.unveilhooks.js#L178"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/ewww-image-optimizer/tags/8.6.0/classes/class-lazy-load.php#L1679"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/ewww-image-optimizer/tags/8.6.0/classes/class-lazy-load.php#L496"
        },
        {
          "url": "https://github.com/nosilver4u/ewww-image-optimizer/commit/4488aafaee9212db370a5ed2dcb9bad7912b897d"
        }
      ],
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          "time": "2026-08-18T17:52:25.000Z",
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      ],
      "title": "EWWW Image Optimizer \u003c= 8.7.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via \u0027data-script\u0027 Lazy Load Attribute in Post Content"
    }
  },
  "cveMetadata": {
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    "assignerShortName": "Wordfence",
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    CVE-2024-31924 (GCVE-0-2024-31924)

    Vulnerability from nvd – Published: 2024-04-10 13:02 – Updated: 2026-04-28 16:09
    VLAI
    Title
    WordPress EWWW Image Optimizer plugin <= 7.2.3 - Cross Site Request Forgery (CSRF) vulnerability
    Summary
    Cross-Site Request Forgery (CSRF) vulnerability in nosilver4u EWWW Image Optimizer ewww-image-optimizer.This issue affects EWWW Image Optimizer: from n/a through <= 7.2.3.
    Severity
    4.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-08-08 18:43 UTC
    CWE
    • CWE-352 - Cross-Site Request Forgery (CSRF)
    Assigner
    References
    Impacted products
    Vendor Product Version
    nosilver4u EWWW Image Optimizer Affected: 0 , ≤ 7.2.3 (custom)
    		Create a notification for this product.
    Date Public
    2026-04-01 16:24
    Credits
    Dhabaleshwar Das | Patchstack Bug Bounty Program
    Show details on NVD website
    To clipboard 

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        "references": [
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            "url": "https://patchstack.com/database/vulnerability/ewww-image-optimizer/wordpress-ewww-image-optimizer-plugin-7-2-3-cross-site-request-forgery-csrf-vulnerability?_s_id=cve"
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        ],
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        "metrics": [
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                "role": "CISA Coordinator",
                "timestamp": "2024-08-08T18:43:47.943174Z",
                "version": "2.0.3"
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          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    ],
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      ],
      "metrics": [
        {
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            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
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            "integrityImpact": "LOW",
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    CVE-2020-36750 (GCVE-0-2020-36750)

    Vulnerability from nvd – Published: 2023-07-12 03:02 – Updated: 2026-04-08 17:06
    VLAI
    Title
    EWWW Image Optimizer <= 5.8.1 - Cross-Site Request Forgery Bypass
    Summary
    The EWWW Image Optimizer plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 5.8.1. This is due to missing or incorrect nonce validation on the ewww_ngg_bulk_init() function. This makes it possible for unauthenticated attackers to perform bulk image optimization via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
    Severity
    4.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-10-23 15:07 UTC
    CWE
    • CWE-352 - Cross-Site Request Forgery (CSRF)
    Assigner
    References
    Impacted products
    Vendor Product Version
    nosilver4u EWWW Image Optimizer Affected: 0 , ≤ 5.8.1 (semver)
    		Create a notification for this product.
    Credits
    Jerome Bruandet
    Show details on NVD website
    To clipboard 

    {
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    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T17:37:06.837Z",
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        "references": [
          {
            "tags": [
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            ],
            "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/8ef33e3c-187a-45d9-9dac-0895dce34216?source=cve"
          },
          {
            "tags": [
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            "url": "https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/"
          },
          {
            "tags": [
              "x_transferred"
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            "url": "https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/"
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            "url": "https://plugins.trac.wordpress.org/changeset/2417429/ewww-image-optimizer/trunk/classes/class-ewww-nextgen.php"
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    CVE-2026-15446 (GCVE-0-2026-15446)

    Vulnerability from cvelistv5 – Published: 2026-08-19 06:37 – Updated: 2026-08-19 06:37
    VLAI
    Title
    EWWW Image Optimizer <= 8.7.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'data-script' Lazy Load Attribute in Post Content
    Summary
    The EWWW Image Optimizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'data-script' Lazy Load Attribute in Post Content in all versions up to, and including, 8.7.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploit is achieved by embedding a crafted img element with class='lazyload' and a data-script attribute pointing to an attacker-controlled URL in post content, which the plugin's bundled lazysizes ls.unveilhooks addon then uses to dynamically create and insert a script element into the DOM at page view time.
    Severity
    6.4 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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
    nosilver4u EWWW Image Optimizer Affected: 0 , ≤ 8.7.3 (semver)
    		Create a notification for this product.
    Credits
    UKO
    Show details on NVD website
    To clipboard 

    {
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    "cna": {
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        {
          "defaultStatus": "unaffected",
          "product": "EWWW Image Optimizer",
          "vendor": "nosilver4u",
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        }
      ],
      "metrics": [
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    CVE-2024-31924 (GCVE-0-2024-31924)

    Vulnerability from cvelistv5 – Published: 2024-04-10 13:02 – Updated: 2026-04-28 16:09
    VLAI
    Title
    WordPress EWWW Image Optimizer plugin <= 7.2.3 - Cross Site Request Forgery (CSRF) vulnerability
    Summary
    Cross-Site Request Forgery (CSRF) vulnerability in nosilver4u EWWW Image Optimizer ewww-image-optimizer.This issue affects EWWW Image Optimizer: from n/a through <= 7.2.3.
    Severity
    4.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-08-08 18:43 UTC
    CWE
    • CWE-352 - Cross-Site Request Forgery (CSRF)
    Assigner
    References
    Impacted products
    Vendor Product Version
    nosilver4u EWWW Image Optimizer Affected: 0 , ≤ 7.2.3 (custom)
    		Create a notification for this product.
    Date Public
    2026-04-01 16:24
    Credits
    Dhabaleshwar Das | Patchstack Bug Bounty Program
    Show details on NVD website
    To clipboard 

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    CVE-2020-36750 (GCVE-0-2020-36750)

    Vulnerability from cvelistv5 – Published: 2023-07-12 03:02 – Updated: 2026-04-08 17:06
    VLAI
    Title
    EWWW Image Optimizer <= 5.8.1 - Cross-Site Request Forgery Bypass
    Summary
    The EWWW Image Optimizer plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 5.8.1. This is due to missing or incorrect nonce validation on the ewww_ngg_bulk_init() function. This makes it possible for unauthenticated attackers to perform bulk image optimization via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
    Severity
    4.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-10-23 15:07 UTC
    CWE
    • CWE-352 - Cross-Site Request Forgery (CSRF)
    Assigner
    References
    Impacted products
    Vendor Product Version
    nosilver4u EWWW Image Optimizer Affected: 0 , ≤ 5.8.1 (semver)
    		Create a notification for this product.
    Credits
    Jerome Bruandet
    Show details on NVD website
    To clipboard 

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