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CVE-2025-26527— Non-searchable tags can still be discovered on the tag search page and in the tags block

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，该漏洞源于标签未正确隐藏，用户可能通过标签搜索页面或标签块发现不应可见的标签。

CVSS 5.3 · Medium EPSS 0.36% · P28

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2025-26527

Vulnerability Information
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Vulnerability Title
Non-searchable tags can still be discovered on the tag search page and in the tags block
Source: CVE Program / CVE List V5
Vulnerability Description
Tags not expected to be visible to a user could still be discovered by them via the tag search page or in the tags block.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1230
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，该漏洞源于标签未正确隐藏，用户可能通过标签搜索页面或标签块发现不应可见的标签。
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-2025-26527

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III. Intelligence Information for CVE-2025-26527

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Patches & Fixes for CVE-2025-26527 (1)

Vendor Advisories for CVE-2025-26527 (1)

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

CVE-2025-26525 8.6 HIGH Arbitrary file read risk through pdfTeX
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-2025-26528 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-1230

V. Comments for CVE-2025-26527

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