CVE-2026-5987: Improper Neutralization of Special Elements Used in a Template Engine in Sanluan PublicCMS
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.
AI Analysis
Technical Summary
This vulnerability affects the FreeMarker Template Handler component of Sanluan PublicCMS, allowing improper neutralization of special elements used in templates. The issue resides in the AbstractFreemarkerView.doRender method, which fails to properly sanitize or neutralize template elements, potentially enabling an attacker to manipulate template processing remotely. The vulnerability impacts multiple versions up to 6.202506.d. No vendor response or patch is currently available.
Potential Impact
The vulnerability could allow an attacker with high privileges to remotely manipulate template rendering, potentially leading to partial compromise of the template engine's integrity or information disclosure. The CVSS 4.0 score of 5.1 reflects a medium severity with network attack vector, low complexity, no user interaction, and limited confidentiality, integrity, and availability impacts. There is no confirmed exploitation in the wild reported.
Mitigation Recommendations
No official fix or patch is currently available from the vendor. Users should monitor the vendor's advisories for updates. Until a patch is released, consider restricting access to the affected functionality and applying any available workarounds or mitigations specific to template processing if feasible. Avoid exposing the vulnerable component to untrusted networks where possible.
CVE-2026-5987: Improper Neutralization of Special Elements Used in a Template Engine in Sanluan PublicCMS
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the FreeMarker Template Handler component of Sanluan PublicCMS, allowing improper neutralization of special elements used in templates. The issue resides in the AbstractFreemarkerView.doRender method, which fails to properly sanitize or neutralize template elements, potentially enabling an attacker to manipulate template processing remotely. The vulnerability impacts multiple versions up to 6.202506.d. No vendor response or patch is currently available.
Potential Impact
The vulnerability could allow an attacker with high privileges to remotely manipulate template rendering, potentially leading to partial compromise of the template engine's integrity or information disclosure. The CVSS 4.0 score of 5.1 reflects a medium severity with network attack vector, low complexity, no user interaction, and limited confidentiality, integrity, and availability impacts. There is no confirmed exploitation in the wild reported.
Mitigation Recommendations
No official fix or patch is currently available from the vendor. Users should monitor the vendor's advisories for updates. Until a patch is released, consider restricting access to the affected functionality and applying any available workarounds or mitigations specific to template processing if feasible. Avoid exposing the vulnerable component to untrusted networks where possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-04-09T12:27:35.189Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d830cb1cc7ad14da313a24
Added to database: 4/9/2026, 11:05:47 PM
Last enriched: 4/17/2026, 12:27:47 PM
Last updated: 5/25/2026, 3:51:16 AM
Views: 74
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