PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-31313 Feehi CVE debrief

CVE-2026-31313 is an authenticated stored cross-site scripting (XSS) vulnerability in the creation/editing module of Feehi CMS v2.1.1. This vulnerability allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Content field. The vulnerability has a CVSS score of 5.4 and a severity of MEDIUM. Users of Feehi CMS v2.1.1, particularly those with editing privileges, should be aware of this vulnerability and take necessary precautions to prevent exploitation. The CVE record was published on 2026-04-06T17:17:09.590Z and last modified on 2026-07-05T02:17:45.677Z.

Vendor
Feehi
Product
Feehi CMS
CVSS
MEDIUM 5.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-06
Original CVE updated
2026-07-05
Advisory published
2026-04-06
Advisory updated
2026-07-05

Who should care

Users of Feehi CMS v2.1.1, particularly those with editing privileges, should be aware of this vulnerability and take necessary precautions to prevent exploitation. This includes updating Feehi CMS to the latest version, if available, implementing input validation and sanitization for user-supplied content, using a web application firewall (WAF) to detect and prevent XSS attacks, and regularly monitoring the CMS for suspicious activity. Operators, platform administrators, vulnerability management teams, and security teams should prioritize this vulnerability based on its severity and potential impact.

Technical summary

The vulnerability exists in the creation/editing module of Feehi CMS v2.1.1, allowing authenticated attackers to inject malicious scripts or HTML into the Content field. This can lead to arbitrary code execution on the affected system. The vulnerability has a CVSS score of 5.4 and a severity of MEDIUM. Users with editing privileges are particularly affected.

Defensive priority

Medium

Recommended defensive actions

  • Update Feehi CMS to the latest version, if available
  • Implement input validation and sanitization for user-supplied content
  • Use a web application firewall (WAF) to detect and prevent XSS attacks
  • Regularly monitor the CMS for suspicious activity

Evidence notes

The CVE record was published on 2026-04-06T17:17:09.590Z and last modified on 2026-07-05T02:17:45.677Z. The NVD entry is currently Modified. The source item URL for CVE-2026-31313 is available. However, due to limited source detail, further verification is required to confirm affected scope and severity.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-31313 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-31313

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-31313 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-31313

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.