Quick answers
- Is CVE-2026-31313 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-31313 being exploited in the wild.
- How severe is CVE-2026-31313?
- Medium severity, with a CVSS score of 5.4, published 6 April 2026.
- Which products and versions are affected?
- Feehi Cms 2.1.1.
- Is there a fix for CVE-2026-31313?
- 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.
- How is CVE-2026-31313 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-31313?
- Check whether you run Feehi Cms or feehi/cms (Packagist) at an affected version. 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.
Technical details
A stored cross-site scripting (XSS) vulnerability exists in Feehi CMS v2.1.1 due to insufficient input sanitization and output encoding in the article creation and editing module. An authenticated attacker with permissions to create or edit content can inject malicious JavaScript into the 'Content' field. This payload is stored in the database and executed in the context of any user (including administrators) who subsequently views the compromised article. The attack requires network access and low-level authentication, but relies on a victim interacting with the malicious content. Mitigation involves implementing robust input filtering and output encoding, or utilizing a whitelist for permitted HTML tags.
Affected products
- Feehi Feehi CMS 2.1.1
Identifiers
- CVE-2026-31313
- GHSA-hj9c-p59c-vqph
Timeline
- 2026-02-06: disclosed: Vulnerability reported on GitHub issues
- 2026-04-06: advisory: NVD published the CVE record