How severe is CVE-2026-11975?

CVE-2026-11975 has a CVSS 4.0 base score of 6.2, rated medium severity.

Is CVE-2026-11975 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-11975?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-11975 have an EU (EUVD) identifier?

Yes. CVE-2026-11975 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37683.

When was CVE-2026-11975 published?

CVE-2026-11975 was published on 2026-06-17.

CVE-2026-11975

CVE-2026-11975 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 4.0 base score 6.2)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-37683
Weakness: CWE-79
Published: 2026-06-17
Last modified: 2026-06-17

Description

Stored cross-site scripting (XSS) in NewsItemApiController In SimplCommerce prior to commit 6142d3b5 allows an authenticated administrator to execute arbitrary JavaScript via the ShortContent and FullContent fields, which are stored without HTML sanitization and rendered unencoded via @Html.Raw()

Frequently asked questions

What is CVE-2026-11975?: Stored cross-site scripting (XSS) in NewsItemApiController In SimplCommerce prior to commit 6142d3b5 allows an authenticated administrator to execute arbitrary JavaScript via the ShortContent and FullContent fields, which are stored without HTML sanitization and rendered unencoded via @Html.Raw()
How severe is CVE-2026-11975?: CVE-2026-11975 has a CVSS 4.0 base score of 6.2, rated medium severity.
Is CVE-2026-11975 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-11975?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-11975 have an EU (EUVD) identifier?: Yes. CVE-2026-11975 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37683.
When was CVE-2026-11975 published?: CVE-2026-11975 was published on 2026-06-17.

References

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

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