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CVE-2025-26525— Arbitrary file read risk through pdfTeX

Quick assessment

Affected
Moodle Project moodle
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.

Moodle是Moodle开源的一套免费的电子学习软件平台，也称课程管理系统、学习管理系统或虚拟学习环境。 Moodle存在安全漏洞，该漏洞源于filter未充分清理，导致可在pdfTeX可用的站点读取任意文件。

CVSS 8.6 · High EPSS 0.44% · P36

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2025-26525

Vulnerability Information
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Vulnerability Title
Arbitrary file read risk through pdfTeX
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient sanitizing in the TeX notation filter resulted in an arbitrary file read risk on sites where pdfTeX is available (such as those with TeX Live installed).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对外部实体的文件或目录可访问
Source: CVE Program / CVE List V5
Vulnerability Title
Moodle 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Moodle是Moodle开源的一套免费的电子学习软件平台，也称课程管理系统、学习管理系统或虚拟学习环境。 Moodle存在安全漏洞，该漏洞源于filter未充分清理，导致可在pdfTeX可用的站点读取任意文件。
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
Moodle Project moodle 4.5.0 ~ 4.5.2 -

II. Public POCs for CVE-2025-26525

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III. Intelligence Information for CVE-2025-26525

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Patches & Fixes for CVE-2025-26525 (1)

Vendor Advisories for CVE-2025-26525 (1)

Same Patch Batch · Moodle Project · 2025-02-24 · 9 CVEs total

CVE-2025-26530 8.3 HIGH Reflected XSS via question bank filter
CVE-2025-26529 8.3 HIGH Stored XSS risk in admin live log
CVE-2025-26533 8.1 HIGH SQL injection risk in course search module list filter
CVE-2025-26526 6.5 MEDIUM Feedback response viewing and deletions did not respect Separate Groups mode
CVE-2025-26527 5.3 MEDIUM Non-searchable tags can still be discovered on the tag search page and in the tags block
CVE-2025-26528 3.4 LOW Stored XSS in ddimageortext question type
CVE-2025-26532 3.1 LOW Teachers can evade trusttext config when restoring glossary entries
CVE-2025-26531 3.1 LOW IDOR in badges allows disabling of arbitrary badges

IV. Related Vulnerabilities

Same product: moodle
Same vendor: Moodle Project
Same weakness: CWE-552

V. Comments for CVE-2025-26525

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