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CVE-2026-14821— Quiz And Survey Master < 11.1.5 - Contributor+ Arbitrary Template Deletion

Quick assessment

Affected
Unknown Quiz and Survey Master (QSM)
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.

expresstech quiz and survey master是expresstech公司的一款在线测验软件。 WordPress Quiz and Survey Master 11.1.5之前版本存在授权问题漏洞，该漏洞源于在删除输出模板前未进行权限检查，导致具有贡献者级别及以上访问权限的用户可以删除任意模板。

AI Predicted 5.4 Difficulty: Easy EPSS 0.28% · P19

Possible ATT&CK Techniques 1 AI

T1136.003 · Cloud Account

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Quiz and Survey Master (QSM) < 11.1.5 affected
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I. Basic Information for CVE-2026-14821

Vulnerability Information
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Vulnerability Title
Quiz And Survey Master < 11.1.5 - Contributor+ Arbitrary Template Deletion
Source: CVE Program / CVE List V5
Vulnerability Description
The Quiz and Survey Master (QSM) WordPress plugin before 11.1.5 does not perform a capability check before deleting output templates, allowing users with contributor-level access and above to delete arbitrary templates.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Quiz and Survey Master 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
expresstech quiz and survey master是expresstech公司的一款在线测验软件。 WordPress Quiz and Survey Master 11.1.5之前版本存在授权问题漏洞，该漏洞源于在删除输出模板前未进行权限检查，导致具有贡献者级别及以上访问权限的用户可以删除任意模板。
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
Unknown Quiz and Survey Master (QSM) 0 ~ 11.1.5 -

II. Public POCs for CVE-2026-14821

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-14821

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News Coverage for CVE-2026-14821 (1)

Same Patch Batch · Unknown · 2026-07-28 · 6 CVEs total

CVE-2026-14545 TrueBooker Appointment Booking < 1.2.4 - Unauthenticated Account Takeover via Password Res
CVE-2026-14924 Tablesome < 1.1.31 - Unauthenticated Post Creation and Modification
CVE-2026-14870 Database for Contact Form 7, WPforms, Elementor forms < 1.5.3 - Reflected XSS via form_id
CVE-2026-14819 Event Tickets < 5.28.4 - Editor+ Stored XSS via Ticket Move
CVE-2026-14926 FluentCart < 1.4.0 - Subscriber+ Subscription Payment-Method Tampering via IDOR

IV. Related Vulnerabilities

Same product: Quiz and Survey Master (QSM)
Same vendor: Unknown

V. Comments for CVE-2026-14821

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