CVE-2026-11975Network attack vector

Browser script execution via unsanitized news content

Published Jun 17, 2026 · Updated Jun 17, 2026

Stored XSS in SimplCommerce before commit 6142d3b5 allows remote authenticated users with administrator access to run JavaScript in browsers. NewsItemApiController stores the ShortContent and FullContent fields without HTML sanitization, and views render them unencoded with @Html.Raw(). Administrator access is required to submit content, and execution occurs when another user views the stored news item.

CVSS severity6.2
Medium
EPSS probability0.26%
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 SimplCommerce before commit 6142d3b5 allows remote authenticated users with administrator access to run JavaScript in browsers. NewsItemApiController stores the ShortContent and FullContent fields without HTML sanitization, and views render them unencoded with @Html.Raw(). Administrator access is required to submit content, and execution occurs when another user views the stored news item.

The record

CVE
CVE-2026-11975
Published
Jun 17, 2026
Updated
Jun 17, 2026
Vendor
SimplCommerce
Product
SimplCommerce
Classifications
CWE-79, CAPEC-63, T1189
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jun 17, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 17, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=0 <6142d3b5 changes=[{"at":"6142d3b5","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

SimplCommerce · SimplCommerceversion=0 <6142d3b5 changes=[{"at":"6142d3b5","status":"unaffected"}]

Published CVSS scores

6.2CheckmarxCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:H/SI:H/SA: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 exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-63Cross-Site Scripting (XSS)
T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

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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