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

Source: https://junglewise.ai/threats/cve-2026-31350-feehi-cms-has-an-authenticated-stored-cross-site-scripting-xss  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-06  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/feehi-cms), [feehi/cms (Packagist)](https://junglewise.ai/threats/technologies/packagist-feehi-cms). Vendors: [Feehi](https://junglewise.ai/threats/vendors/feehi), [Packagist](https://junglewise.ai/threats/vendors/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

## Related threats

- [Feehi CMS SSRF in UEditor catchimage endpoint](https://junglewise.ai/threats/cve-2026-95265-feehi-cms-2-1-1-contains-a-server-side-request-forgery-ssrf)
- [Feehi CMS directory traversal arbitrary file deletion](https://junglewise.ai/threats/cve-2026-95264-feehi-cms-2-1-1-is-vulnerable-to-directory-traversal-an)
- [Feehi CMS insufficient access control in administrator password change](https://junglewise.ai/threats/cve-2026-95263-feehi-cms-2-1-1-is-vulnerable-to-incorrect-access-control-a-low)
- [Feehi CMS has authenticated stored cross-site scripting (XSS) vulnerabilities via the Permissions module](https://junglewise.ai/threats/cve-2026-31354-feehi-cms-has-authenticated-stored-cross-site-scripting-xss)
- [Feehi CMS has an authenticated stored cross-site scripting (XSS) vulnerability via the creation/editing module](https://junglewise.ai/threats/cve-2026-31351-feehi-cms-has-an-authenticated-stored-cross-site-scripting-xss)