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CVE-2026-3551

The Custom New User Notification plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's admin settings in all versions up to, and including, 1.2.0. This is due to insufficient input sanitization and output escaping on multiple settings fields including 'User Mail Subject', 'User From Name', 'User From Email', 'Admin Mail Subject', 'Admin From Name', and 'Admin From Email'. The settings are registered via register_setting() without sanitize callbacks, and the values re
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ad05bf2d03682c50aea40c79fa0b92c69583d11a6bd3e3cc50476bf0176da485
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Custom New User Notification","vendor":"rafasashi","versions":[{"lessThanOrEqual":"1.2.0","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"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"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/problemTypes/0/descriptions/0

Source references

17 source assertions
{"url":"https://plugins.trac.wordpress.org/browser/custom-new-user-notification/tags/1.2.0/admin/includes.php#L132"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/references/14
{"url":"https://plugins.trac.wordpress.org/browser/custom-new-user-notification/tags/1.2.0/admin/includes.php#L46"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/references/2
{"url":"https://plugins.trac.wordpress.org/browser/custom-new-user-notification/tags/1.2.0/admin/includes.php#L52"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/references/4
{"url":"https://plugins.trac.wordpress.org/browser/custom-new-user-notification/tags/1.2.0/admin/includes.php#L59"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/references/6
{"url":"https://plugins.trac.wordpress.org/browser/custom-new-user-notification/tags/1.2.0/admin/includes.php#L84"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/references/8
{"url":"https://plugins.trac.wordpress.org/browser/custom-new-user-notification/tags/1.2.0/admin/includes.php#L90"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/references/10
{"url":"https://plugins.trac.wordpress.org/browser/custom-new-user-notification/tags/1.2.0/admin/includes.php#L97"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/references/12
{"url":"https://plugins.trac.wordpress.org/browser/custom-new-user-notification/tags/1.2.0/custom-new-user-notification.php#L63"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/references/16
{"url":"https://plugins.trac.wordpress.org/browser/custom-new-user-notification/trunk/admin/includes.php#L132"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/references/13
{"url":"https://plugins.trac.wordpress.org/browser/custom-new-user-notification/trunk/admin/includes.php#L46"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/references/1
{"url":"https://plugins.trac.wordpress.org/browser/custom-new-user-notification/trunk/admin/includes.php#L52"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/references/3
{"url":"https://plugins.trac.wordpress.org/browser/custom-new-user-notification/trunk/admin/includes.php#L59"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/references/5
{"url":"https://plugins.trac.wordpress.org/browser/custom-new-user-notification/trunk/admin/includes.php#L84"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/references/7
{"url":"https://plugins.trac.wordpress.org/browser/custom-new-user-notification/trunk/admin/includes.php#L90"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/references/9
{"url":"https://plugins.trac.wordpress.org/browser/custom-new-user-notification/trunk/admin/includes.php#L97"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/references/11
{"url":"https://plugins.trac.wordpress.org/browser/custom-new-user-notification/trunk/custom-new-user-notification.php#L63"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/references/15
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/7a14d35d-144c-4ddd-b288-5e0e006fb165?source=cve"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a11af13623350955b529bb1a15e49de48da6a86e5bcc774de3dea5e0da0e82f1 · sha256:173613611f30f824… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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