CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, с обикновен потребителски вход и след действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
MyBB is free and open source forum software. Prior to 1.8.40, the ACP Mass Mail module does not validate certain requests correctly, allowing same-site attackers to create draft entries from archived entries by embedding a specially crafted URL. The Resend route in Admin CP, Users & Groups, Mass Mail, Mass Mailing Archive duplicates archived mailing entries into new drafts with mybb_massemails.status set to 0 on GET requests without request forgery protection. The uniquely identifying implementation details include Users & Groups → Mass Mail → Mass Mailing Archive, mybb_massemails.status = 0, and admin/modules/user/mass_mail.php. This issue is fixed in version 1.8.40.
Засегнати продукти
- mybb mybb: < 1.8.40
Вид слабост
История
- 18 август 2026 Публикувано
Други уязвимости в mybb mybb
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-45127
- https://nvd.nist.gov/vuln/detail/CVE-2026-45127
- https://github.com/mybb/mybb/security/advisories/GHSA-xx78-g79m-qvgq
- https://github.com/mybb/mybb/commit/a95c5d6730b943adab7e54bc209c051f98843a3b
- https://github.com/mybb/mybb/releases/tag/mybb_1840
- https://mybb.com/versions/1.8.40