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CVE-2025-10755VulnerabilityPublished Updated

CVE-2025-10755: Selleo Mentingo · Unrestricted Upload

Affects Selleo MentingoSource CVE Database V5

0

Not known to be exploited · CVSS 5.3 Medium.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 4.0 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 18% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Sep 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
Selleo MentingoAffected
  • =2025.08.27
Fixed in–

AI-suggested

European organizations should immediately implement compensating controls to mitigate the risk posed by this vulnerability. These include: 1) Restricting or disabling the userAvatar upload functionality if feasible until a patch is available. 2) Implementing strict input validation and file type restrictions at the web server or application firewall level to block unauthorized file types and potentially malicious payloads. 3) Employing Web Application Firewalls (WAFs) with custom rules to detect and block suspicious upload attempts targeting the userAvatar parameter. 4) Monitoring logs for unusual upload activity or attempts to exploit this vulnerability. 5) Isolating the affected application environment to limit potential lateral movement in case of compromise. 6) Conducting regular security assessments and penetration testing focused on file upload functionalities. 7) Engaging with Selleo for updates or patches and subscribing to vulnerability advisories for timely remediation. 8) Educating IT and security teams about this vulnerability to ensure rapid detection and response to any exploitation attempts.

Description

A vulnerability was detected in Selleo Mentingo 2025.08.27. The impacted element is an unknown function of the component Content-Type Handler. The manipulation of the argument userAvatar results in unrestricted upload. The attack may be performed from remote. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

References

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