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Medium, CVSS 4.8

Cross-site Scripting in Backdrop CMS

CVE-2022-42097GHSA-g9cp-9fw3-56cf

What to do

Vendor response not established. Follow the primary source's mitigation guidance and check back for a fix.

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

  • Packagist backdrop/backdrop

    Affected
    <= 1.23.0
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
4.8 · CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS
  • CVE-2022-42097: 0.86% estimated exploitation activity in the next 30 days; percentile 58.47 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS) vulnerability via 'Comment.'s

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

    Published from ghsa record GHSA-g9cp-9fw3-56cf

Agent brief

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

# Patch Next advisory brief: CVE-2022-42097

Advisory: Cross-site Scripting in Backdrop CMS
IDs: CVE-2022-42097, GHSA-g9cp-9fw3-56cf
Record: https://patchnext.com/advisories/cve-2022-42097 (revision 1, source checked 26 Oct 2026, 14:31 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 4.8)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor response not established. A vendor fix does not mean a deployment is fixed.

## Affected components
- Packagist backdrop/backdrop: affected <= 1.23.0

## Suggested inspection (read-only)
- Packagist backdrop/backdrop: check the installed version with your package manager.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on backdrop/backdrop.
- 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://github.com/advisories/GHSA-g9cp-9fw3-56cf (GitHub-reviewed advisory GHSA-g9cp-9fw3-56cf lists affected ranges: Packagist backdrop/backdrop >=0 <=1.23.0)

Commands are suggestions: review each one before running it.

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