Vulnerability · Published Sep 20, 2025 · Assigned by VulDB

CVE-2025-10755Selleo Mentingo Content-Type unrestricted upload

Medium 6.3

In plain English

A medium-severity unrestricted file upload in Mentingo from Selleo. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.3%top 81.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Selleo	Mentingo	2025.08.27

Weakness: CWE-434, CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-325069 | Selleo Mentingo Content-Type unrestricted upload vdb-entry, technical-description
VDB-325069 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #645419 | Selleo Labs Sp. z o.o. Mentingo learn-v2025.08.27 File Upload Restriction Bypass third-party-advisory
https://gist.github.com/KhanMarshaI/7a2e74fcb194f7d6ee7e60da4a14af7b exploit