CVE-2026-13536: A vulnerability has been found in GotoHTTP up to 10.2. This issue affects some unknown processing of the file /reg.12x. The manipulation of the argume...

Description

A vulnerability has been found in GotoHTTP up to 10.2. This issue affects some unknown processing of the file /reg.12x. The manipulation of the argument sn leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor explains: "We immediately removed unnecessary parameter echo from source code. However the URL in the issue description will never be used in browser nor exposed to user, so it will not bring secure problem in fact. So we don't upgrade server right now, it will be included in next version together with other features."

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CVSS 4.0

2.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.28%

20.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

Vendor	Product	Versions
—	GotoHTTP	10.0; 10.1; 10.2

References

Timeline

Published: Jun 29, 2026
Last Modified: Jun 30, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-13536?

A vulnerability has been found in GotoHTTP up to 10.2. This issue affects some unknown processing of the file /reg.12x. The manipulation of the argument sn leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor explains: "We immediately removed unnecessary parameter echo from source code. However the URL in the issue description will never be used in browser nor exposed to user, so it will not bring secure problem in fact. So we don't upgrade server right now, it will be included in next version together with other features."

How severe is CVE-2026-13536?

CVE-2026-13536 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.

How do I fix CVE-2026-13536?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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