What is CVE-2025-10758?

CVE-2025-10758 is a low-severity vulnerability in Htmly, classified under Cross-site Scripting. CVSS score: 2.4/10. Published 2025-09-21.

How severe is CVE-2025-10758?

Low severity. CVSS v3 base score is 2.4 out of 10.

RCE in Htmly

CVE-2025-10758

A security vulnerability has been detected in htmly up to 3.1.0. The impacted element is an unknown function of the file /htmly/admin/field/post of the component Custom Field Handler. Such manipulation of the argument label leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (20.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N.

Affected products

Htmly
N/a Htmly — versions 3.0, 3.1.0

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
cna@vuldb.com (Exploit, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2025-10758?: CVE-2025-10758 is a low-severity vulnerability in Htmly, classified under Cross-site Scripting. CVSS score: 2.4/10. Published 2025-09-21.
How severe is CVE-2025-10758?: Low severity. CVSS v3 base score is 2.4 out of 10.