Unauthenticated open redirect via unvalidated Host header
Published Jan 31, 2025 · Updated Mar 19, 2025
Open redirect in slabiak Appointment Scheduler 1.0.5 allows remote attackers to redirect users via a crafted Host header. The unauthenticated login redirect accepts the request Host header without validation and uses it to construct the redirect destination. Exploitation requires user interaction with a crafted request and sends the user to an attacker-controlled site, enabling phishing or malicious content delivery.
Summary
What happened
Open redirect in slabiak Appointment Scheduler 1.0.5 allows remote attackers to redirect users via a crafted Host header. The unauthenticated login redirect accepts the request Host header without validation and uses it to construct the redirect destination. Exploitation requires user interaction with a crafted request and sends the user to an attacker-controlled site, enabling phishing or malicious content delivery.
The record
- CVE
- CVE-2024-42671
- Published
- Jan 31, 2025
- Updated
- Mar 19, 2025
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-79
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jan 31, 2025CVE publishedPublication date reported by the CVE source.
- Mar 19, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
What conditions does exploitation require?
What is affected?
Affected products and versions are unavailable in this record.
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Appointment Scheduler Host Header Poisoning Open Redirect proof of conceptproof of concept · unverified
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
Check the software in your environment
Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.
Book a demo