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High, CVSS 7.6

YesWiki Vulnerable to Unauthenticated Reflected Cross-site Scripting

CVE-2025-46349GHSA-2f8p-qqx2-gwr2

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 yeswiki/yeswiki

    Affected
    <= 4.5.3
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
7.6 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L
EPSS
  • CVE-2025-46349: 0.64% estimated exploitation activity in the next 30 days; percentile 50.89 (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.

Summary Reflected XSS has been detected in the file upload form. Vulnerability can be exploited without authentication This Proof of Concept has been performed using the followings: - YesWiki v4.5.3 (doryphore-dev branch) - Docker environnment (docker/docker-compose.yml) Vulnerable code The vulnerability is located in the file PoC 1. You need to send a request to endpoint and abusing the file parameter, we can successfully obtain client side javascript execution 2. Get a response <img width="853" alt="Снимок экрана 2025-04-11 в 02 04 55" src="https://github.com/user-attachments/assets/b923f563-ead5-494c-8fbd-1c3b11635820" / Impact This vulnerability allows any malicious unauthenticated user to create a link that can be clicked on in the victim context to perform arbitrary actions

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

    Published from ghsa record GHSA-2f8p-qqx2-gwr2

Agent brief

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# Patch Next advisory brief: CVE-2025-46349

Advisory: YesWiki Vulnerable to Unauthenticated Reflected Cross-site Scripting
IDs: CVE-2025-46349, GHSA-2f8p-qqx2-gwr2
Record: https://patchnext.com/advisories/cve-2025-46349 (revision 1, source checked 26 Oct 2026, 14:33 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 7.6)
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 yeswiki/yeswiki: affected <= 4.5.3

## Suggested inspection (read-only)
- Packagist yeswiki/yeswiki: 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 yeswiki/yeswiki.
- 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-2f8p-qqx2-gwr2 (GitHub-reviewed advisory GHSA-2f8p-qqx2-gwr2 lists affected ranges: Packagist yeswiki/yeswiki >=0 <=4.5.3)

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