CVE-2026-44742_CVE-2026-44742

7.2 / 10

HIGH

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

Description

Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026.

Basic Information

ID CVE-2026-44742

Source mitre

Published May 7, 2026 at 18:09

Modified May 7, 2026 at 19:00

Affected Product

Vendor Postorius project

Product Postorius

Affected Versions Postorius project Postorius 0

CWE Classification

CWE-79

References

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    "lastseen": "",
    "description": "Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026.",
    "published": "2026-05-07T18:09:20.069Z",
    "modified": "2026-05-07T19:00:19.149Z",
    "type": "cve",
    "title": "CVE-2026-44742",
    "source": "mitre",
    "references": "https://gitlab.com/mailman/postorius/-/commit/c4706abd05ba6bcf472fc674b160d3a9d6a4868b\nhttps://gitlab.com/mailman/postorius/-/merge_requests/972\nhttps://gitlab.com/mailman/postorius/-/issues/620\nhttps://www.openwall.com/lists/oss-security/2026/05/07/3",
    "id": "CVE-2026-44742",
    "bulletinFamily": "",
    "cwe": [
        "CWE-79"
    ],
    "cvelist": null,
    "sourceData": "Postorius project Postorius 0",
    "sourceHref": "",
    "cvss": {
        "score": 7.2,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
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            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Postorius",
    "version": "0",
    "vendor": "Postorius project",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}