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Low, CVSS 1.3amended

OMERO.web uses jquery-form library, which may be vulnerable to XSS attack

GHSA-j4gv-6x9v-v23g

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (omero-web 5.29.3), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS 4.0
1.3 · 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 · score source
EPSS
No dated EPSS signal available.
Source description

As published by the source; long descriptions are shortened.

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

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 3 · amended ·

    Amended from ghsa record GHSA-j4gv-6x9v-v23g

  2. Revision 2 · amended ·

    Reviewed OSV alias/range/CVSS4 correction; package source scopes and original publication preserved. No customer finding resolved.

  3. Revision 1 · created ·

    Published from osv record GHSA-j4gv-6x9v-v23g

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: GHSA-j4gv-6x9v-v23g

Advisory: OMERO.web uses jquery-form library, which may be vulnerable to XSS attack
IDs: GHSA-j4gv-6x9v-v23g
Record: https://patchnext.com/advisories/ghsa-j4gv-6x9v-v23g (revision 3, source checked 26 Oct 2026, 13:35 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Low (CVSS 1.3)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: omero-web 5.29.3. A vendor fix does not mean a deployment is fixed.

## Affected components
- PyPI omero-web: affected < 5.29.3; fixed in 5.29.3

## Suggested inspection (read-only)
- `python -m pip show omero-web`: prints the installed version. Run with the environment that serves production active.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on omero-web.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://osv.dev/vulnerability/GHSA-j4gv-6x9v-v23g (OSV record GHSA-j4gv-6x9v-v23g lists affected ranges: PyPI omero-web >=0 <5.29.3 (fixed))
- Verified: https://github.com/advisories/GHSA-j4gv-6x9v-v23g (GitHub-reviewed advisory GHSA-j4gv-6x9v-v23g lists affected ranges: PyPI omero-web >=0 <5.29.3)

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