CVE-2026-25935— Vikunja Affected by XSS Via Task Preview
Quick assessment
Affected
go-vikunja vikunja
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Vikunja是Vikunja开源的一个待办事项应用程序。 Vikunja 1.1.0之前版本存在安全漏洞，该漏洞源于TaskGlanceTooltip.vue中缺少转义，可能导致恶意用户通过悬停触发跨站脚本。
Possible ATT&CK Techniques 1 AI
T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-25935
Vulnerability Information
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Vulnerability Title
Vikunja Affected by XSS Via Task Preview
Source: CVE Program / CVE List V5
Vulnerability Description
Vikunja is a todo-app to organize your life. Prior to 1.1.0, TaskGlanceTooltip.vue temporarily creates a div and sets the innerHtml to the description. Since there is no escaping on either the server or client side, a malicious user can share a project, create a malicious task, and cause an XSS on hover. This vulnerability is fixed in 1.1.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
Web页面中脚本相关HTML标签转义处理不恰当(基本跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Vikunja 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vikunja是Vikunja开源的一个待办事项应用程序。 Vikunja 1.1.0之前版本存在安全漏洞，该漏洞源于TaskGlanceTooltip.vue中缺少转义，可能导致恶意用户通过悬停触发跨站脚本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| go-vikunja | vikunja | < 1.1.0 | - |
|
II. Public POCs for CVE-2026-25935
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-25935 (1)
-
🔗 XSS Via Task Preview · Advisory · go-vikunja/vikunja · GitHub Read full article x_refsource_CONFIRM
IV. Related Vulnerabilities
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CVE-2026-62376
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CVE-2026-91985
Vikunja before 2.6.0 Privilege Escalation via Link Share Has
Same vendor: go-vikunja
-
CVE-2026-62376
Vikunja: Plaintext storage of password-reset/email-confirm t -
CVE-2026-62367
Vikunja: OIDC email-fallback account linking ignores email_v -
CVE-2026-57458
Vikunja: Scoped API token can mint unrestricted OAuth sessio -
CVE-2026-91984
Vikunja before 2.6.0 Broken Object-Level Authorization via t -
CVE-2026-91985
Vikunja before 2.6.0 Privilege Escalation via Link Share Has
Same weakness: CWE-80
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CVE-2026-105829
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CVE-2026-103439
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V. Comments for CVE-2026-25935
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