CVE-2025-15458: bg5sbk MiniCMS · Improper Authentication
Affects bg5sbk MiniCMSSource CVE Database V5
Not known to be exploited · CVSS 6.9 Medium.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 47% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 5 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| bg5sbkMiniCMS | Affected
| Fixed in– |
GitHubbg5sbk/MiniCMSpkg:github/bg5sbk/MiniCMSOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Given the lack of an official patch, organizations should implement immediate compensating controls. First, restrict access to the /mc-admin/ directory using IP whitelisting or VPN-only access to limit exposure to trusted users. Employ web application firewalls (WAFs) with custom rules to detect and block suspicious requests targeting /mc-admin/post-edit.php or unusual authentication bypass attempts. Regularly monitor web server logs for anomalous access patterns or unauthorized administrative activity. Consider isolating the MiniCMS server from critical internal networks to contain potential breaches. If feasible, upgrade to a newer, unaffected CMS platform or apply custom patches after thorough code review. Maintain regular backups of web content to enable rapid restoration in case of compromise. Finally, engage in active threat intelligence monitoring for emerging exploits targeting this vulnerability to adjust defenses accordingly.
Description
A vulnerability was determined in bg5sbk MiniCMS up to 1.8. This affects an unknown function of the file /mc-admin/post-edit.php of the component Article Handler. Executing a manipulation can lead to improper authentication. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.