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CVE-2021-38675

Stored XSS Vulnerability in Image2PDF

MEDIUM
5.4
CVSS Score
Published: October 1, 2021 at 02:50 AM UTC
Updated: June 17, 2026 at 04:02 AM UTC
2 products affected across 1 vendorImage2PDFNAS

Using Image2PDF by QNAP Systems Inc.?

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.6%

Description

A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running Image2PDF. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of Image2PDF: Image2PDF 2.1.5 ( 2021/08/17 ) and later

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Image2PDF· Qnap
95%
v < 2.1.5v < 2.1.5 ( 2021/08/17 )
Affected range stops below 2.1.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.1.5 ( 2021/08/17 ), so it looks safe — our inference, not a vendor statement
qnap-nas (environment)
NAS· Qnapdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCMitigationVendor Advisory
Source: [email protected]
https://www.qnap.com/en/security-advisory/qsa-21-43

CVSS

5.4MEDIUMqnap
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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