CVE-2026-5987 (GCVE-0-2026-5987)

Vulnerability from cvelistv5 – Published: 2026-04-09 22:45 – Updated: 2026-04-10 13:52
VLAI?
Title
Sanluan PublicCMS FreeMarker Template AbstractFreemarkerView.java AbstractFreemarkerView.doRender special elements used in a template engine
Summary
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.
Severity ?
5.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
4.7 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
4.7 (Medium)
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CWE
  • CWE-1336 - Improper Neutralization of Special Elements Used in a Template Engine
  • CWE-791 - Incomplete Filtering of Special Elements
Assigner
References
https://vuldb.com/vuln/356541 vdb-entrytechnical-description
https://vuldb.com/vuln/356541/cti signaturepermissions-required
https://vuldb.com/submit/792385 third-party-advisory
https://github.com/sanluan/PublicCMS/issues/113 exploitissue-tracking
https://github.com/sanluan/PublicCMS/ product
Impacted products
Vendor Product Version
Sanluan PublicCMS Affected: 4.0.202506.a
Affected: 4.0.202506.b
Affected: 5.202506.a
Affected: 5.202506.b
Affected: 5.202506.d
Affected: 6.202506.d
    cpe:2.3:a:publiccms:publiccms:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
anch0r (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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