جزئیات آسیب‌پذیری

CVE-2026-21580

Atlassian Confluence Data CenterAtlassian Confluence Server
CVSS 4.0
8.6بالا

شرح رسمی (انگلیسی)

This Critical severity Stored XSS, PrivEsc (Privilege Escalation), and Security Misconfiguration vulnerability was introduced in versions 7.1.1, 7.4.0, 7.13.0, 7.17.0, 7.19.0, 8.0.0, 8.5.0, 8.9.0, 9.0.1, 9.1.0, 9.2.0, 9.3.1, 9.4.0, 9.5.1, 10.0.2, 10.1.0 and 10.2.0 of Confluence Data Center and Server. This Stored XSS, PrivEsc (Privilege Escalation), and Security Misconfiguration vulnerability, with a CVSS Score of 8.6, allows an unauthenticated attacker to execute arbitrary HTML or JavaScript code on a victims browser, perform actions as a higher-privileged user, and to get into the system utilizing loopholes exposed from security best-practices being overlooked. Atlassian recommends that Confluence Data Center and Server customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Confluence Data Center and Server 9.2: Upgrade to a release greater than or equal to 9.2.21 Confluence Data Center and Server 10.2: Upgrade to a release greater than or equal to 10.2.13 See the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center and Server from the download center ([https://www.atlassian.com/software/confluence/download-archives]). This vulnerability was reported via our Bug Bounty program.

امتیازهای CVSS

امتیازنسخهمنبعبردار
8.6بالا 4.0 CVEProject cvelistV5 (CNA) (atlassian) CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

محصولات آسیب‌پذیر

فروشندهمحصولنسخه‌هامنبع
Atlassian Confluence Data Center 10.0.2 to 10.0.3 CVEProject cvelistV5 (CNA)
Atlassian Confluence Data Center 10.1.0 to 10.1.2 CVEProject cvelistV5 (CNA)
Atlassian Confluence Data Center 10.2.0 to 10.2.11 CVEProject cvelistV5 (CNA)
Atlassian Confluence Data Center 7.19.27 to 7.19.30 CVEProject cvelistV5 (CNA)
Atlassian Confluence Data Center 8.5.15 to 8.5.31 CVEProject cvelistV5 (CNA)
Atlassian Confluence Data Center 8.9.6 to 8.9.8 CVEProject cvelistV5 (CNA)
Atlassian Confluence Data Center 9.0.3 CVEProject cvelistV5 (CNA)
Atlassian Confluence Data Center 9.1.0 to 9.1.1 CVEProject cvelistV5 (CNA)
Atlassian Confluence Data Center 9.2.0 to 9.2.20 CVEProject cvelistV5 (CNA)
Atlassian Confluence Data Center 9.3.1 to 9.3.2 CVEProject cvelistV5 (CNA)
Atlassian Confluence Data Center 9.4.0 to 9.4.1 CVEProject cvelistV5 (CNA)
Atlassian Confluence Data Center 9.5.1 to 9.5.4 CVEProject cvelistV5 (CNA)
Atlassian Confluence Server 7.19.27 to 7.19.30 CVEProject cvelistV5 (CNA)
Atlassian Confluence Server 8.5.15 to 8.5.31 CVEProject cvelistV5 (CNA)

منابع و راهنماها

۲
هشدار CVEهای بعدی این محصولمحصول را دنبال کنید تا آسیب‌پذیری‌های تازه را در تلگرام بگیرید.

اطلاعات

تاریخ انتشار
۱۴۰۵/۰۵/۲۸
آخرین به‌روزرسانی
۱۴۰۵/۰۵/۳۰
وضعیت
منتشرشده
صادرکننده (CNA)
atlassian

پیش‌بینی بهره‌برداری (EPSS)

۰٫۵٪
احتمال بهره‌برداری در ۳۰ روز
۴۳٫۶٪
صدک (نسبت به همه‌ی CVEها)

ارزیابی SSVC (CISA)

قابل خودکارسازی
بله
وضعیت بهره‌برداری
ندارد
اثر فنی
کامل

ضعف‌ها (CWE)

  • CWE-79
    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')