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CRITICAL

CVE-2021-43691

CVSS v3

9.8

CRITICAL

EPSS Score

1.6 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

tripexpress v1.1 is affected by a path manipulation vulnerability in file system/helpers/dompdf/load_font.php. The variable src is coming from $_SERVER["argv"] then there is a path manipulation vulnerability.

Technical details

Published
2021-11-29

Frequently asked questions

What is CVE-2021-43691?

tripexpress v1.1 is affected by a path manipulation vulnerability in file system/helpers/dompdf/load_font.php. The variable src is coming from $_SERVER["argv"] then there is a path manipulation vulnerability.

Is CVE-2021-43691 actively exploited?

Active exploitation of CVE-2021-43691 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-43691?

CVE-2021-43691 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-43691 affecting your environment?

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