medium6.5
CVE-2025-28254
Leantime affected by Improper Neutralization of HTML Tags
Impact
### Summary HTML can be arbitrarily injected into emails from Leantime due to improper neutralization of HTML tags in users' first names. This effectively allows for the creation of phishing emails from a Leantime instance's email address.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | leantime/leantime | < 3.3 | 3.3 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Leantime | Leantime | before 3.3.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/Leantime/leantime/blob/0e7ddbbe3d582f657a1dddfef7b3419ae588cbf7/app/Domain/Notifications/Services/Notifications.php#L128
- https://github.com/Leantime/leantime/commit/ce1d2073e4601183e1bdd90f4b433d16aee46a50
- https://github.com/Leantime/leantime/security/advisories/GHSA-95j3-435g-vjcp
- https://github.com/advisories/GHSA-95j3-435g-vjcp
- https://nvd.nist.gov/vuln/detail/CVE-2025-28254