Vulnerability-Lookup

GHSA-C7CC-XQVJ-XCQ2

Vulnerability from github – Published: 2026-10-31 09:31 – Updated: 2026-10-31 09:31

Details

The Uncanny Toolkit for LearnDash plugin for WordPress is vulnerable to Authentication Bypass in versions up to, and including, 3.8.2 via the email parameter of the uo_login_action() function. This is due to a parser-differential flaw in which the plugin's account-verification gate resolves the submitted email value using the raw, unsanitized string passed to get_user_by(), while the subsequent wp_signon() call relies on WordPress core's internal sanitize_user() to strip appended junk characters — causing the gate lookup to fail and be skipped entirely while the real account is still resolved and authenticated. This makes it possible for unauthenticated attackers to log in to unverified or administrator-suspended accounts whose credentials they already possess, obtaining a valid wordpress_logged_in session cookie and defeating the plugin's account-approval and account-suspension controls. The nonce required to reach the handler is freely obtainable in the same request from the unauthenticated ult-refresh-nonce endpoint, making exploitation trivial for any attacker with network access to the site and knowledge of a target account's credentials.

Severity

9.8 (Critical)


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

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-119096"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-31T08:16:49Z",
    "severity": "CRITICAL"
  },
  "details": "The Uncanny Toolkit for LearnDash plugin for WordPress is vulnerable to Authentication Bypass in versions up to, and including, 3.8.2 via the `email` parameter of the `uo_login_action()` function. This is due to a parser-differential flaw in which the plugin\u0027s account-verification gate resolves the submitted `email` value using the raw, unsanitized string passed to `get_user_by()`, while the subsequent `wp_signon()` call relies on WordPress core\u0027s internal `sanitize_user()` to strip appended junk characters \u2014 causing the gate lookup to fail and be skipped entirely while the real account is still resolved and authenticated. This makes it possible for unauthenticated attackers to log in to unverified or administrator-suspended accounts whose credentials they already possess, obtaining a valid `wordpress_logged_in` session cookie and defeating the plugin\u0027s account-approval and account-suspension controls. The nonce required to reach the handler is freely obtainable in the same request from the unauthenticated `ult-refresh-nonce` endpoint, making exploitation trivial for any attacker with network access to the site and knowledge of a target account\u0027s credentials.",
  "id": "GHSA-c7cc-xqvj-xcq2",
  "modified": "2026-10-31T09:31:14Z",
  "published": "2026-10-31T09:31:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-119096"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/uncanny-learndash-toolkit/tags/3.8.2/src/classes/frontend-login-plus.php#L3357"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/uncanny-learndash-toolkit/tags/3.8.2/src/classes/frontend-login-plus.php#L3446"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/uncanny-learndash-toolkit/tags/3.8.2/src/classes/frontend-login-plus.php#L3527"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/uncanny-learndash-toolkit/tags/3.8.2/src/classes/frontend-login-plus.php#L3559"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/changeset/3773997/uncanny-learndash-toolkit/trunk/src/classes/frontend-login-plus.php"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/592b61a1-9ac9-4817-b154-1e39e50d8010?source=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-119096 (GCVE-0-2026-119096)

Vulnerability from cvelistv5 – Published: 2026-10-31 07:46 – Updated: 2026-10-31 07:46

Title

Uncanny Toolkit for LearnDash <= 3.8.2 - Unauthenticated Authentication Bypass via 'email' Parameter

Summary

The Uncanny Toolkit for LearnDash plugin for WordPress is vulnerable to Authentication Bypass in versions up to, and including, 3.8.2 via the `email` parameter of the `uo_login_action()` function. This is due to a parser-differential flaw in which the plugin's account-verification gate resolves the submitted `email` value using the raw, unsanitized string passed to `get_user_by()`, while the subsequent `wp_signon()` call relies on WordPress core's internal `sanitize_user()` to strip appended junk characters — causing the gate lookup to fail and be skipped entirely while the real account is still resolved and authenticated. This makes it possible for unauthenticated attackers to log in to unverified or administrator-suspended accounts whose credentials they already possess, obtaining a valid `wordpress_logged_in` session cookie and defeating the plugin's account-approval and account-suspension controls. The nonce required to reach the handler is freely obtainable in the same request from the unauthenticated `ult-refresh-nonce` endpoint, making exploitation trivial for any attacker with network access to the site and knowledge of a target account's credentials.

Severity

9.8 (Critical)


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

CWE

CWE-287 - Improper Authentication

Assigner

Wordfence CNA under the mitre root

CNA scorecard C 65/100 over 2379 records in the last 180 days details

References

6 references

URL	Tags
https://www.wordfence.com/threat-intel/vulnerabil…
https://plugins.trac.wordpress.org/browser/uncann…
https://plugins.trac.wordpress.org/browser/uncann…
https://plugins.trac.wordpress.org/browser/uncann…
https://plugins.trac.wordpress.org/browser/uncann…
https://plugins.trac.wordpress.org/changeset/3773…

Impacted products

1 product

Vendor	Product	Version
uncannyowl	Uncanny Toolkit for LearnDash	Affected: 0 , ≤ 3.8.2 (semver)

Credits

Kuba

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Uncanny Toolkit for LearnDash",
          "vendor": "uncannyowl",
          "versions": [
            {
              "lessThanOrEqual": "3.8.2",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Kuba"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Uncanny Toolkit for LearnDash plugin for WordPress is vulnerable to Authentication Bypass in versions up to, and including, 3.8.2 via the `email` parameter of the `uo_login_action()` function. This is due to a parser-differential flaw in which the plugin\u0027s account-verification gate resolves the submitted `email` value using the raw, unsanitized string passed to `get_user_by()`, while the subsequent `wp_signon()` call relies on WordPress core\u0027s internal `sanitize_user()` to strip appended junk characters \u2014 causing the gate lookup to fail and be skipped entirely while the real account is still resolved and authenticated. This makes it possible for unauthenticated attackers to log in to unverified or administrator-suspended accounts whose credentials they already possess, obtaining a valid `wordpress_logged_in` session cookie and defeating the plugin\u0027s account-approval and account-suspension controls. The nonce required to reach the handler is freely obtainable in the same request from the unauthenticated `ult-refresh-nonce` endpoint, making exploitation trivial for any attacker with network access to the site and knowledge of a target account\u0027s credentials."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-287",
              "description": "CWE-287 Improper Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-31T07:46:49.237Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/592b61a1-9ac9-4817-b154-1e39e50d8010?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/uncanny-learndash-toolkit/tags/3.8.2/src/classes/frontend-login-plus.php#L3559"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/uncanny-learndash-toolkit/tags/3.8.2/src/classes/frontend-login-plus.php#L3527"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/uncanny-learndash-toolkit/tags/3.8.2/src/classes/frontend-login-plus.php#L3446"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/uncanny-learndash-toolkit/tags/3.8.2/src/classes/frontend-login-plus.php#L3357"
        },
        {
          "url": "https://plugins.trac.wordpress.org/changeset/3773997/uncanny-learndash-toolkit/trunk/src/classes/frontend-login-plus.php"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-10-29T14:14:13.000Z",
          "value": "Vendor Notified"
        },
        {
          "lang": "en",
          "time": "2026-10-30T19:20:23.000Z",
          "value": "Disclosed"
        }
      ],
      "title": "Uncanny Toolkit for LearnDash \u003c= 3.8.2 - Unauthenticated Authentication Bypass via \u0027email\u0027 Parameter"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2026-119096",
    "datePublished": "2026-10-31T07:46:49.237Z",
    "dateReserved": "2026-10-29T13:58:03.278Z",
    "dateUpdated": "2026-10-31T07:46:49.237Z",
    "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.

Vulnerability timeline

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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.

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