CVE-2026-31350: Feehi CMS has an authenticated stored cross-site scripting (XSS) vulnerability via the Page Sign parameter

CVE-2026-31350 · Severity: medium · CVSS 5.4 · Published 2026-04-06

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

Technologies: Feehi Cms, feehi/cms (Packagist). Vendors: Feehi, Packagist.

Quick answers

Is CVE-2026-31350 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-31350 being exploited in the wild.
How severe is CVE-2026-31350?
Medium severity, with a CVSS score of 5.4, published 6 April 2026.
Which products and versions are affected?
Feehi Cms, feehi/cms (Packagist). The advisory does not name versions.
Is there a fix for CVE-2026-31350?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-31350?
Check whether you run Feehi Cms or feehi/cms (Packagist). Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Feehi Cms
  • feehi/cms (Packagist)

Identifiers

  • CVE-2026-31350
  • GHSA-cgxr-v74v-g9mm

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