CVE-2026-5987

MEDIUM

Sanluan PublicCMS FreeMarker Template AbstractFreemarkerView.java AbstractFreemarkerView.doRender special elements used in a template engine

Title source: cna
STIX 2.1

Description

A security vulnerability has been detected in Sanluan PublicCMS up to 6.202506.d. This affects the function AbstractFreemarkerView.doRender of the file publiccms-parent/publiccms-core/src/main/java/com/publiccms/common/base/AbstractFreemarkerView.java of the component FreeMarker Template Handler. Such manipulation leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-356541 | Sanluan PublicCMS FreeMarker Template AbstractFreemarkerView.java AbstractFreemarkerView.doRender special elements used in a template engine
https://vuldb.com/vuln/356541
Signature, Permissions Required signature permissions-required
VDB-356541 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/356541/cti
Third Party Advisory third-party-advisory
Submit #792385 | sanluan PublicCMS V4.0.202506.a, V4.0.202506.b, V5.202506.a, V5.202506.b, V5.202506.d, V6.202506.d Code Injection
https://vuldb.com/submit/792385
Exploit exploit issue-tracking
https://github.com/sanluan/PublicCMS/issues/113

Scores

CVSS v3 4.7
EPSS 0.0024
EPSS Percentile 14.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-1336 CWE-791
Status published
Products (6)
Sanluan/PublicCMS 4.0.202506.a
Sanluan/PublicCMS 4.0.202506.b
Sanluan/PublicCMS 5.202506.a
Sanluan/PublicCMS 5.202506.b
Sanluan/PublicCMS 5.202506.d
Sanluan/PublicCMS 6.202506.d
Published Apr 09, 2026
Tracked Since Apr 10, 2026