---
id: CVE-2026-81635
title: >-
  A cross-site scripting vulnerability exists in SHIRASAGI, which may allow an
  attacker to execute an arbitrary script in the web browser of a user who
  accesses a website using the affected product.
summary: >-
  A cross-site scripting vulnerability exists in SHIRASAGI, which may allow an
  attacker to execute an arbitrary script in the web browser of a user who
  accesses a website using the affected product.
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: SHIRASAGI Project
product: SHIRASAGI
affected:
  - SHIRASAGI >= v1.14.0 <= v1.20.2
published: '2026-09-10'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T15:13:07.090'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-81635'
references:
  - url: 'https://jvn.jp/en/jp/JVN37476837/'
    label: vultures@jpcert.or.jp
  - url: 'https://www.ss-proj.org/support/1710.html'
    label: vultures@jpcert.or.jp
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-10T13:00:16.852754Z'
ingestedAt: '2026-09-10T06:34:51.928Z'
epss: 0.00236
epssPercentile: 0.13043
---

## Overview

A cross-site scripting vulnerability exists in SHIRASAGI, which may allow an attacker to execute an arbitrary script in the web browser of a user who accesses a website using the affected product.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.