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Unratedamended

MoinMoin Multiple cross-site scripting (XSS) vulnerabilities

CVE-2008-1098GHSA-8fj9-pj4p-4vq7

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

  • PyPI moin

    Affected
    <= 1.5.8
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
not scored
EPSS
  • CVE-2008-1098: 1.82% estimated exploitation activity in the next 30 days; percentile 78.74 (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.

Multiple cross-site scripting (XSS) vulnerabilities in MoinMoin 1.5.8 and earlier allow remote attackers to inject arbitrary web script or HTML via (1) certain input processed by formatter/textgedit.py (aka the gui editor formatter); (2) a page name, which triggers an injection in PageEditor.py when the page is successfully deleted by a victim in a DeletePage action; or (3) the destination page name for a RenamePage action, which triggers an injection in PageEditor.py when a victim's rename attempt fails because of a duplicate name. NOTE: the AttachFile XSS issue is already covered by CVE-2008-0781, and the login XSS issue is already covered by CVE-2008-0780. The issue has been fixed on d0152eeb4499 and 4ede07e792dd.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 2 · amended ·

    Amended from ghsa record GHSA-8fj9-pj4p-4vq7

  2. Revision 1 · created ·

    Published from osv record GHSA-8fj9-pj4p-4vq7

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-2008-1098

Advisory: MoinMoin Multiple cross-site scripting (XSS) vulnerabilities
IDs: CVE-2008-1098, GHSA-8fj9-pj4p-4vq7
Record: https://patchnext.com/advisories/cve-2008-1098 (revision 2, source checked 26 Oct 2026, 13:13 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Unrated
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
- PyPI moin: affected <= 1.5.8

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

## 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 moin.
- 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-8fj9-pj4p-4vq7 (OSV record GHSA-8fj9-pj4p-4vq7 lists affected ranges: PyPI moin >=0 <=1.5.8)
- Verified: https://github.com/advisories/GHSA-8fj9-pj4p-4vq7 (GitHub-reviewed advisory GHSA-8fj9-pj4p-4vq7 lists affected ranges: PyPI moin >=0 <=1.5.8)

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