cve-2026-44742

{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright © Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44742.json"
      }
    ],
    "title": "Postorius: Postorius: Cross-Site Scripting via unescaped HTML in message subject",
    "tracking": {
      "current_release_date": "2026-06-28T07:38:55+00:00",
      "generator": {
        "date": "2026-06-28T07:38:55+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "5.2.6"
        }
      },
      "id": "CVE-2026-44742",
      "initial_release_date": "2026-05-07T18:09:20.069000+00:00",
      "revision_history": [
        {
          "date": "2026-05-07T18:09:20.069000+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-05-14T17:50:06+00:00",
          "number": "2",
          "summary": "Current version"
        },
        {
          "date": "2026-06-28T07:38:55+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "category": "vendor",
        "name": "Red Hat",
        "product": {
          "name": "All currently supported Red Hat products",
          "product_id": "red_hat_products",
          "product_identification_helper": {
            "cpe": "cpe:/a:redhat"
          }
        }
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-44742",
      "discovery_date": "2026-05-07T19:01:13.326307+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
            "red_hat_products"
          ]
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Postorius. This vulnerability allows an attacker to embed malicious code within the subject of an email message. When an administrator or user views the 'Held messages pop-up', this malicious code is executed in their web browser. This can lead to Cross-Site Scripting (XSS), potentially resulting in unauthorized access to sensitive information or the ability to perform actions on behalf of the user.",
          "title": "Vulnerability description"
        },
        {
          "category": "other",
          "text": "Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "red_hat_products"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-44742"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-44742",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-44742"
        }
      ],
      "release_date": "2026-05-07T18:09:20.069000+00:00",
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "red_hat_products"
          ]
        }
      ],
      "title": "Postorius: Postorius: Cross-Site Scripting via unescaped HTML in message subject"
    }
  ]
}