CVE-2026-31351

MEDIUMNVD 4.84.8—

4.8

An authenticated stored cross-site scripting (XSS) vulnerability in the creation/editing module of Feehi CMS v2.1.1 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Title parameter.

CVSS v3: 4.8
EG Score: 4.8(medium)
EPSS: 13.7%
KEV: Not listed

Published

April 6, 2026

Last Modified

April 7, 2026

References (2)

cve@mitrehttps://github.com/liufee/cms
cve@mitrehttps://github.com/liufee/cms/issues/81

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
composer	feehi/cms	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
feehi/cms	2.1.1	—	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-79Cross-site Scripting (XSS)

Frequently asked(5)

What is CVE-2026-31351?

CVE-2026-31351 is a medium vulnerability published on April 6, 2026. An authenticated stored cross-site scripting (XSS) vulnerability in the creation/editing module of Feehi CMS v2.1.1 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Title parameter.

When was CVE-2026-31351 disclosed?

CVE-2026-31351 was first published in the National Vulnerability Database on April 6, 2026, with the most recent update on April 7, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-31351 actively exploited?

CVE-2026-31351 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 13.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-31351?

CVE-2026-31351 has a CVSS v3 base score of 4.8 (NVD).

How do I remediate CVE-2026-31351?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-31351, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-31351

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