Leantime 3.0.6 is vulnerable to HTML Injection via /dashboard/show#/tickets/newTicket.

published 2024-04-10 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-24674

cvss: 4.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-04-12)

Exploit prediction

0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/dead1nfluence/Leantime-POC/blob/main/README.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	4.7	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
CNA	3.1	4.7	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

Affected products

leantime leantime

Classification

Weakness

CWE-94 Improper Control of Generation of Code

References

github.com /dead1nfluence/Leantime-POC/blob/main/README.md
exploit, third-party-advisory
drive.proton.me /urls/X9G9MY1FAW#NLS8RkHUihLY
broken-link
github.com /Leantime/leantime/blob/264a7dbc2c9b18f574821bf27dd568a287ee8498/app/Domain/Tickets/Controllers/ShowTicket.php
product

Sources

CVE List CVE-2024-27476
NVD CVE-2024-27476

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary