CVE-2026-9608Public exploitNetwork attack vector

Stored XSS via unencoded tag input

Published May 27, 2026 · Updated May 27, 2026

Stored XSS in QianFox FoxCMS 1.2.0 through 1.2.6 allows remote authenticated users to execute script in a victim's browser. The Administrator Backend's /Tag/edit handler stores tag input without server-side validation, and tag pages render it without HTML encoding. Administrator privileges are required to submit the payload, and another user must open the affected tag page; execution is confined to that user's browser context.

CVSS severity2.4
Low
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in QianFox FoxCMS 1.2.0 through 1.2.6 allows remote authenticated users to execute script in a victim's browser. The Administrator Backend's /Tag/edit handler stores tag input without server-side validation, and tag pages render it without HTML encoding. Administrator privileges are required to submit the payload, and another user must open the affected tag page; execution is confined to that user's browser context.

The record

CVE
CVE-2026-9608
Published
May 27, 2026
Updated
May 27, 2026
Vendor
Guizhou Qianhu Technology Co., Ltd.
Product
FoxCMS
Classifications
CWE-94, CWE-79
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. May 27, 2026CVE publishedPublication date reported by the CVE source.
  2. May 27, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.2.0
  2. Affected versionversion=1.2.1
  3. Affected versionversion=1.2.2
  4. Affected versionversion=1.2.3
  5. Affected versionversion=1.2.4
  6. Affected versionversion=1.2.5
  7. Affected versionversion=1.2.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Guizhou Qianhu Technology Co., Ltd. · FoxCMSversion=1.2.0; version=1.2.1; version=1.2.2; version=1.2.3; version=1.2.4; version=1.2.5; version=1.2.6

Published CVSS scores

3.3VulDBAV:N/AC:L/Au:M/C:N/I:P/A:N
1.9VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
2.4VulDBCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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