Description
Halo before 1.2.0-beta.1 allows Server Side Template Injection (SSTI) because TemplateClassResolver.SAFER_RESOLVER is not used in the FreeMarker configuration.
References (3)
Core 3
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/halo-dev/halo/issues/419
Exploit, Third Party Advisory x_refsource_misc
https://github.com/halo-dev/halo/issues/440
Patch, Third Party Advisory x_refsource_misc
https://github.com/halo-dev/halo/compare/v1.1.3-beta.2...v1.2.0-beta.1
Scores
CVSS v3
7.2
EPSS
0.0042
EPSS Percentile
61.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-918
Status
published
Products (3)
halo/halo
1.1.3 beta1 (2 CPE variants)
halo/halo
1.2.0 beta1
halo/halo
< 1.1.1
Published
Dec 26, 2019
Tracked Since
Feb 18, 2026