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CVE-2024-52299— The PDF viewer macro allows accessing any attachment without access right checks

Quick assessment

Affected
xwikisas macro-pdfviewer
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PDF Viewer Macro是XWiki SAS开源的一个宏。允许在 XWiki 页面内查看附加到 XWiki 页面的 PDF 文件。 PDF Viewer Macro 2.5.6版本之前存在安全漏洞，该漏洞源于任何拥有XWiki.PDFViewerService查看权限的用户都可以访问wiki中存储的任何附件，因为传递的key会阻止错误计算，在摘要流上调用skip不会更新摘要。

CVSS 7.5 · High EPSS 0.52% · P42

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-52299

Vulnerability Information
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Vulnerability Title
The PDF viewer macro allows accessing any attachment without access right checks
Source: CVE Program / CVE List V5
Vulnerability Description
macro-pdfviewer is a PDF Viewer Macro for XWiki using Mozilla pdf.js. Any user with view right on XWiki.PDFViewerService can access any attachment stored in the wiki as the "key" that is passed to prevent this is computed incorrectly, calling skip on the digest stream doesn't update the digest. This is fixed in 2.5.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
可预测问题
Source: CVE Program / CVE List V5
Vulnerability Title
PDF Viewer Macro 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PDF Viewer Macro是XWiki SAS开源的一个宏。允许在 XWiki 页面内查看附加到 XWiki 页面的 PDF 文件。 PDF Viewer Macro 2.5.6版本之前存在安全漏洞，该漏洞源于任何拥有XWiki.PDFViewerService查看权限的用户都可以访问wiki中存储的任何附件，因为传递的key会阻止错误计算，在摘要流上调用skip不会更新摘要。
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
xwikisas macro-pdfviewer >= 1.6.2, < 2.5.6 -

II. Public POCs for CVE-2024-52299

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8282 chars
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III. Intelligence Information for CVE-2024-52299

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Vendor Advisories for CVE-2024-52299 (1)

Same Patch Batch · xwikisas · 2024-11-13 · 3 CVEs total

CVE-2024-52300 9.1 CRITICAL macro-pdfviewer has a XSS through the width parameter
CVE-2024-52298 7.5 HIGH macro-pdfviewer's preview in WYSIWYG editor allows accessing any PDF document as the last

IV. Related Vulnerabilities

Same product: macro-pdfviewer
Same vendor: xwikisas
Same weakness: CWE-340

V. Comments for CVE-2024-52299

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