GHSA-j4gv-6x9v-v23g: Omero web Cross-Site Scripting Vulnerability

LOW
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CWE-79
Published
Advisory Summary

GHSA-j4gv-6x9v-v23g is a LOW cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Omero web libraries in the PyPI ecosystem. The issue involves omero.web uses jquery-form library, which may be vulnerable to xss attack. Remediation is available by upgrading affected packages to version 5.29.3.

GHSA-j4gv-6x9v-v23g at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-j4gv-6x9v-v23g
Severity LOW
CVSS v3.1 Base Score N/A
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Omero web
Package Ecosystem PyPI
Published Date
Last Updated

How to Fix GHSA-j4gv-6x9v-v23g

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

omero-web fixed: 5.29.3 
pip install omero-web>=5.29.3
Verify Direct and Transitive Dependencies

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

pip show omero-web

How to Check if You Are Affected

To determine whether your Python environment is affected by GHSA-j4gv-6x9v-v23g, inspect your installed packages using pip:

pip show omero-web

Analyze the terminal output to locate any version of Omero web in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 5.29.3), your application is affected.

Note: The pip show omero-web command checks currently installed packages in your active Python environment.

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 Omero web, 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

### Impact OMERO.web uses the jquery-form library throughout to handle form submission and response processing. Due to some unpatched potential vulnerabilities in jquery-form, OMERO.web 5.29.2 and earlier may be susceptible to XSS attacks. ### Patches User should upgrade OMERO.web to 5.29.3 or higher. ### Workarounds None. ### Resources https://github.com/jquery-form/form/issues/604

GHSA-j4gv-6x9v-v23g Affected Omero web Versions

1 component(s)
Fixed Versions:
5.29.3
Product / Package Ecosystem Affected Versions Fixed Version
omero-web
pypi/omero-web
PyPI
< 5.29.3
5.29.3

References

GitHub Advisory / Wiki ADVISORY
https://github.com/ome/omero-web/security/advisories/GHSA-j4gv-6x9v-v23g
Omero web Source Repository REPOSITORY
https://github.com/jquery-form/form/issues/604
Security Fix Commit FIX COMMIT
https://github.com/ome/omero-web/commit/a3eadf722cfada2b844b97abe65baf5856e77c4f
Omero web Source Repository REPOSITORY
https://github.com/ome/omero-web

Frequently Asked Questions

What is GHSA-j4gv-6x9v-v23g?
GHSA-j4gv-6x9v-v23g is a security vulnerability in Omero web involving OMERO.web uses jquery-form library, which may be vulnerable to XSS attack under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Omero web versions are affected?
Affected versions include releases prior to 5.29.3 across affected packages: omero-web.
What version fixes GHSA-j4gv-6x9v-v23g?
Upgrading to 5.29.3 (or the latest patched release for your respective branch) resolves the vulnerability.
Is omero-web affected?
Yes, omero-web is affected in releases prior to 5.29.3. Upgrade your dependency to 5.29.3 or later.
What CWE is associated with GHSA-j4gv-6x9v-v23g?
GHSA-j4gv-6x9v-v23g 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 PyPI dependencies for GHSA-j4gv-6x9v-v23g?
Run the dependency tree command: 'pip show omero-web'. 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-j4gv-6x9v-v23g",
  "modified" : "2025-11-24T23:35:30Z",
  "published" : "2025-11-24T23:35:30Z",
  "aliases" : [ ],
  "summary" : "OMERO.web uses jquery-form library, which may be vulnerable to XSS attack",
  "details" : "### Impact\nOMERO.web uses the jquery-form library throughout to handle form submission and response processing. Due to some unpatched potential vulnerabilities in jquery-form, OMERO.web 5.29.2 and earlier may be susceptible to XSS attacks.\n\n### Patches\nUser should upgrade OMERO.web to 5.29.3 or higher.\n\n### Workarounds\nNone.\n\n### Resources\nhttps://github.com/jquery-form/form/issues/604",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "omero-web"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "5.29.3"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/ome/omero-web/security/advisories/GHSA-j4gv-6x9v-v23g"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/jquery-form/form/issues/604"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/ome/omero-web/commit/a3eadf722cfada2b844b97abe65baf5856e77c4f"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/ome/omero-web"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-11-24T23:35:30Z",
    "nvd_published_at" : null
  }
}