CVE-2026-2897: funadmin Cross-Site Scripting Vulnerability

LOW
Advisory Identifier: GHSA-rfh7-7v27-6p9r
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CVSS 2.4
CWE-79
Published
Advisory Summary

CVE-2026-2897 is a LOW (CVSS 2.4) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting funadmin libraries in the Packagist ecosystem. The issue involves xss through value argument in backend interface component. Remediation is available in the latest vendor maintenance releases.

CVE-2026-2897 at a Glance

CVE Identifier CVE-2026-2897
GHSA Identifier GHSA-rfh7-7v27-6p9r
Severity LOW
CVSS v3.1 Base Score 2.4
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product funadmin
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 2.4

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required High (PR:H)
User Interaction Required (UI:R)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity Low (I:L)
Availability None (A:N)

How to Fix CVE-2026-2897

To remediate this vulnerability, upgrade all affected funadmin dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

funadmin/funadmin fixed: Latest secure release 
Upgrade funadmin/funadmin to Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for funadmin/funadmin

How to Check if You Are Affected

To determine whether your application is affected by CVE-2026-2897, inspect your project dependencies for funadmin:

inspect dependencies for funadmin/funadmin

Analyze the terminal output to locate any version of funadmin in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In funadmin, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

A security vulnerability has been detected in funadmin up to 7.1.0-rc4. This vulnerability affects unknown code of the file app/backend/view/index/index.html of the component Backend Interface. The manipulation of the argument Value leads to cross site scripting. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVE-2026-2897 Affected funadmin Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
funadmin/funadmin
 Packagist
≤ 7.1.0-rc4

References

NVD — CVE-2026-2897 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2897
funadmin Source Repository REPOSITORY
https://github.com/I4m6da/CVE/issues/4
funadmin Source Repository REPOSITORY
https://github.com/I4m6da/CVE/issues/4#issue-3890421022
funadmin Source Repository REPOSITORY
https://github.com/funadmin/funadmin
vuldb.com/ WEB
https://vuldb.com/?ctiid.347208
vuldb.com/ WEB
https://vuldb.com/?id.347208
vuldb.com/ WEB
https://vuldb.com/?submit.753975

Frequently Asked Questions

What is CVE-2026-2897?
CVE-2026-2897 is a security vulnerability in funadmin involving XSS through Value argument in Backend Interface component under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which funadmin versions are affected?
Affected versions include releases prior to current release patches across affected packages: funadmin/funadmin.
What version fixes CVE-2026-2897?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is funadmin/funadmin affected?
Yes, funadmin/funadmin is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2026-2897?
CVE-2026-2897 has a CVSS v3.1 base score of 2.4 (LOW) with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N.
What CWE is associated with CVE-2026-2897?
CVE-2026-2897 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).
How can I check Packagist dependencies for CVE-2026-2897?
Run the dependency tree command: 'inspect dependencies for funadmin/funadmin'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-rfh7-7v27-6p9r",
  "modified" : "2026-02-26T15:33:00Z",
  "published" : "2026-02-22T03:30:26Z",
  "aliases" : [ "CVE-2026-2897" ],
  "summary" : "funadmin: XSS through Value argument in Backend Interface component",
  "details" : "A security vulnerability has been detected in funadmin up to 7.1.0-rc4. This vulnerability affects unknown code of the file app/backend/view/index/index.html of the component Backend Interface. The manipulation of the argument Value leads to cross site scripting. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "funadmin/funadmin"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "7.1.0-rc4"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-2897"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/I4m6da/CVE/issues/4"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/I4m6da/CVE/issues/4#issue-3890421022"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/funadmin/funadmin"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?ctiid.347208"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?id.347208"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?submit.753975"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-02-26T15:33:00Z",
    "nvd_published_at" : "2026-02-22T01:16:00Z"
  }
}