CVE-2026-5987: Sanluan Publiccms

Medium severity, CVSS 4.7. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Sanluan Publiccms: version 4.0.202506.a only; version 4.0.202506.b only; version 5.202506.a only; version 5.202506.b only; version 5.202506.d only; version 6.202506.d only

Published 2026-04-09. Last modified 2026-06-17.