SecuriTricks - CVE-2026-34071

Description

Stirling-PDF is a locally hosted web application that allows you to perform various operations on PDF files. In version 2.7.3, the /api/v1/convert/eml/pdf endpoint with parameter downloadHtml=true returns unsanitized HTML from the email body with Content-Type: text/html. An attacker who sends a malicious email to a Stirling-PDF user can achieve JavaScript execution when that user exports the email using the "Download HTML intermediate file" feature. Version 2.8.0 fixes the issue.

Product(s) Impacted

Vendor	Product	Versions
Stirling Pdf	Stirling Pdf	2.7.3, 2.8.0

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	stirling_pdf	stirling_pdf	2.7.3	/	/	/	/	/	/	/
a	stirling_pdf	stirling_pdf	2.8.0	/	/	/	/	/	/	/

References

https://github.com/Stirling-Tools/Stirling-PDF/security/advisories/GHSA-xmhg-fv84-jgfc

CVSS Score

5.4 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: LOW
Integrity Impact: LOW
Availability Impact: NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

View Vector String

Timeline

Published: March 26, 2026, 5:16 p.m.
Last Modified: March 26, 2026, 5:16 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-34071