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    3 vulnerabilities by jotis

    CVE-2026-10552 (GCVE-0-2026-10552)

    Vulnerability from cvelistv5 – Published: 2026-06-24 05:33 – Updated: 2026-06-24 05:33
    VLAI
    Title
    Blue Captcha <= 2.0.1 - Cross-Site Request Forgery via 'blcap_action' Parameter
    Summary
    The Blue Captcha plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to and including 2.0.1. This is due to missing or incorrect nonce validation on the main admin panel (blcap_main_page) and on the Hall of Shame and Log subpages, which accept a 'blcap_action' / 'action' parameter from $_REQUEST and perform destructive operations (plugin uninstall via blcap_uninstall(), log deletion via blcap_delete_logs(), Hall of Shame deletion via blcap_delete_ip_db(), and adding IPs to the banned list via update_option('blcap_settings')) with no wp_verify_nonce(), check_admin_referer(), or check_ajax_referer() calls anywhere in the codebase. This makes it possible for unauthenticated attackers to uninstall the plugin, delete audit logs, remove Hall of Shame entries, and add arbitrary IP addresses to the block list 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
    CWE
    • CWE-352 - Cross-Site Request Forgery (CSRF)
    Assigner
    References
    Impacted products
    Vendor Product Version
    jotis Blue Captcha Affected: 0 , ≤ 2.0.1 (semver)
    		Create a notification for this product.
    Credits
    Kamil Królikowski
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Blue Captcha",
          "vendor": "jotis",
          "versions": [
            {
              "lessThanOrEqual": "2.0.1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Kamil Kr\u00f3likowski"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Blue Captcha plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to and including 2.0.1. This is due to missing or incorrect nonce validation on the main admin panel (blcap_main_page) and on the Hall of Shame and Log subpages, which accept a \u0027blcap_action\u0027 / \u0027action\u0027 parameter from $_REQUEST and perform destructive operations (plugin uninstall via blcap_uninstall(), log deletion via blcap_delete_logs(), Hall of Shame deletion via blcap_delete_ip_db(), and adding IPs to the banned list via update_option(\u0027blcap_settings\u0027)) with no wp_verify_nonce(), check_admin_referer(), or check_ajax_referer() calls anywhere in the codebase. This makes it possible for unauthenticated attackers to uninstall the plugin, delete audit logs, remove Hall of Shame entries, and add arbitrary IP addresses to the block list via a forged request granted they can trick a site administrator into performing an action such as clicking on a link."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
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              "description": "CWE-352 Cross-Site Request Forgery (CSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-24T05:33:26.283Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/793072e9-250b-4a2c-819f-aa7e1dc7d4d6?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/blue-captcha/tags/2.0.1/bluecaptcha.php#L221"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/blue-captcha/tags/2.0.1/bluecaptcha.php#L220"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/blue-captcha/tags/2.0.1/bluehos.php#L51"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/blue-captcha/tags/2.0.1/bluehos.php#L91"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/blue-captcha/tags/2.0.1/bluelog.php#L62"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-06-23T16:41:19.000Z",
          "value": "Disclosed"
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      ],
      "title": "Blue Captcha \u003c= 2.0.1 - Cross-Site Request Forgery via \u0027blcap_action\u0027 Parameter"
    }
  },
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    "assignerShortName": "Wordfence",
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    "dateReserved": "2026-06-01T13:52:47.971Z",
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}

    CVE-2025-28880 (GCVE-0-2025-28880)

    Vulnerability from cvelistv5 – Published: 2025-03-26 14:24 – Updated: 2026-04-28 16:11
    VLAI
    Title
    WordPress Blue Captcha plugin <= 1.7.4 - Reflected Cross Site Scripting (XSS) vulnerability
    Summary
    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in jotis Blue Captcha blue-captcha allows Reflected XSS.This issue affects Blue Captcha: from n/a through <= 1.7.4.
    Severity
    7.1 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
    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
    References
    Impacted products
    Vendor Product Version
    jotis Blue Captcha Affected: 0 , ≤ 1.7.4 (custom)
    		Create a notification for this product.
    Date Public
    2026-04-01 16:35
    Credits
    Le Ngoc Anh | Patchstack Bug Bounty Program
    Show details on NVD website
    To clipboard 

    {
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        },
        "title": "CISA ADP Vulnrichment"
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      ],
      "impacts": [
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        {
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    CVE-2025-28880 (GCVE-0-2025-28880)

    Vulnerability from nvd – Published: 2025-03-26 14:24 – Updated: 2026-04-28 16:11
    VLAI
    Title
    WordPress Blue Captcha plugin <= 1.7.4 - Reflected Cross Site Scripting (XSS) vulnerability
    Summary
    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in jotis Blue Captcha blue-captcha allows Reflected XSS.This issue affects Blue Captcha: from n/a through <= 1.7.4.
    Severity
    7.1 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
    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
    References
    Impacted products
    Vendor Product Version
    jotis Blue Captcha Affected: 0 , ≤ 1.7.4 (custom)
    		Create a notification for this product.
    Date Public
    2026-04-01 16:35
    Credits
    Le Ngoc Anh | Patchstack Bug Bounty Program
    Show details on NVD website
    To clipboard 

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