CVE-2025-15455 bg5sbk CVE debrief

Who should care

Defenders responsible for MiniCMS installations, particularly those using versions up to 1.8, should assess their exposure and verify the authentication mechanisms in place. They should prioritize verifying exposure, assessing authentication mechanisms, and implementing compensating controls to mitigate the vulnerability. The CVSS score of 5.5 indicates a medium severity vulnerability that requires attention from defenders.

Why it matters

The CVE-2025-15455 vulnerability in bg5sbk MiniCMS up to 1.8 allows remote attackers to manipulate the delete_page function, leading to improper authentication. Defenders should prioritize verifying exposure, assessing authentication mechanisms, and implementing compensating controls.

• Verify exposure of MiniCMS versions up to 1.8.
• Assess authentication mechanisms for MiniCMS.
• Implement compensating controls to mitigate the vulnerability.
• Prioritize remediation based on the CVSS score of 5.5.

Technical summary

The vulnerability is located in the delete_page function of /minicms/mc-admin/page.php in bg5sbk MiniCMS up to 1.8. This function allows remote attackers to manipulate the page deletion process, leading to improper authentication. The vulnerability impacts MiniCMS installations, particularly those using versions up to 1.8, and defenders should assess their exposure and verify the authentication mechanisms in place. The CVSS score of 5.5 indicates a medium severity vulnerability. The NVD entry is currently Analyzed.

Defensive priority

Defenders should prioritize verifying exposure of MiniCMS versions up to 1.8 and assessing the authentication mechanisms in place.

Recommended defensive actions

• Verify exposure of MiniCMS versions up to 1.8 in your environment.
• Assess the authentication mechanisms in place for MiniCMS.
• Consider implementing compensating controls to mitigate the vulnerability.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, including its description, CVSS score, and affected versions. The NVD entry is currently Analyzed, and the CVE record was published on 2026-01-05T04:15:41.600Z. The vulnerability affects MiniCMS versions up to 1.8, and defenders should verify exposure and assess authentication mechanisms.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.