What’s Vulnerable › Vulnerabilities

CVE-2024-27477

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-04-10 · updated 2026-06-17
• Weakness: CWE-79

Description

In Leantime 3.0.6, a Cross-Site Scripting vulnerability exists within the ticket creation and modification functionality, allowing attackers to inject malicious JavaScript code into the title field of tickets (also known as to-dos). This stored XSS vulnerability can be exploited to perform Server-Side Request Forgery (SSRF) attacks.

Affected products

• Leantime: 3.0.6

References

• https://drive.proton.me/urls/35CKB8RV04#sEubCKVOuXqt
• https://github.com/Leantime/leantime/blob/264a7dbc2c9b18f574821bf27dd568a287ee8498/app/Domain/Tickets/Controllers/ShowTicket.php#L20
• https://github.com/dead1nfluence/Leantime-POC/blob/main/README.md
• https://drive.proton.me/urls/35CKB8RV04#sEubCKVOuXqt
• https://github.com/Leantime/leantime/blob/264a7dbc2c9b18f574821bf27dd568a287ee8498/app/Domain/Tickets/Controllers/ShowTicket.php#L20
• https://github.com/dead1nfluence/Leantime-POC/blob/main/README.md
• https://www.vicarius.io/vsociety/posts/analyzing-leantime-xss-for-the-fun-time-diving-into-cve-2024-27477-for-a-beginner

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