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CVE-2023-33969— Stored Cross site scripting in the Task External Link Functionality in Kanboard

Quick assessment

Affected
kanboard kanboard
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.

Kanboard是一套开源的可视化任务板软件。该软件能够根据业务定制面板。 Kanboard 1.2.30之前版本存在跨站脚本漏洞，该漏洞源于存在存储型跨站脚本(XSS)，允许攻击者执行任意Javascript。

CVSS 6.4 · Medium EPSS 0.51% · P41

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2023-33969

Vulnerability Information
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Vulnerability Title
Stored Cross site scripting in the Task External Link Functionality in Kanboard
Source: CVE Program / CVE List V5
Vulnerability Description
Kanboard is open source project management software that focuses on the Kanban methodology. A stored Cross site scripting (XSS) allows an attacker to execute arbitrary Javascript and any user who views the task containing the malicious code will be exposed to the XSS attack. Note: The default CSP header configuration blocks this javascript attack. This issue has been addressed in version 1.2.30. Users are advised to upgrade. Users unable to upgrade should ensure that they have a restrictive CSP header config.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Kanboard 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kanboard是一套开源的可视化任务板软件。该软件能够根据业务定制面板。 Kanboard 1.2.30之前版本存在跨站脚本漏洞，该漏洞源于存在存储型跨站脚本(XSS)，允许攻击者执行任意Javascript。
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
kanboard kanboard < 1.2.30 -

II. Public POCs for CVE-2023-33969

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III. Intelligence Information for CVE-2023-33969

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Patches & Fixes for CVE-2023-33969 (1)

Vendor Advisories for CVE-2023-33969 (1)

Same Patch Batch · kanboard · 2023-06-05 · 4 CVEs total

CVE-2023-33970 5.4 MEDIUM Missing access control in internal task links feature in Kanboard
CVE-2023-33968 5.4 MEDIUM Missing Access Control allows User to move and duplicate tasks in Kanboard
CVE-2023-33956 4.3 MEDIUM Parameter based Indirect Object Referencing leading to private file exposure in Kanboard

IV. Related Vulnerabilities

Same product: kanboard
Same vendor: kanboard
Same weakness: CWE-79

V. Comments for CVE-2023-33969

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