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Vulnerability record · CVE-2025-34300 · published 16 July 2025

CVE-2025-34300: Improper input validation vulnerability

A template injection vulnerability exists in Sawtooth Software’s Lighthouse Studio versions prior to 9.16.14 via the  ciwweb.pl http://ciwweb.pl/  Perl web application. Exploitation allows an unauthenticated attacker can execute arbitrary commands.

10.0 CVSS 4.0 Critical EPSS 79% · top 0.4% CWE-20 · Improper input validationCWE-1336 · CWE-1336 Deferred
10.0CVSS 4.0 base score
79%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

A template injection vulnerability exists in Sawtooth Software’s Lighthouse Studio versions prior to 9.16.14 via the  ciwweb.pl http://ciwweb.pl/  Perl web application. Exploitation allows an unauthenticated attacker can execute arbitrary commands.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://sawtoothsoftware.com/resources/software-downloads/lighthouse-studio/version-history
https://slcyber.io/assetnote-security-research-center/rce-in-the-most-popular-survey-software-youve-never-heard-of/
https://www.vulncheck.com/advisories/sawtooth-software-lighthouse-studio-preauthentication-rce
https://slcyber.io/assetnote-security-research-center/rce-in-the-most-popular-survey-software-youve-never-heard-of/

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-34300), CISA KEV, FIRST EPSS (scores of 2026-09-24). This page is refreshed as NVD updates the record.