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Vulnerabilities

Vulnerability · CVE-2025-46558

XWiki Contrib's Syntax Markdown allows importing Markdown content into wiki pages and creating wiki content in Markdown.

Published Apr 30, 2025 · catalog updated Apr 30, 2025 · XWiki Contrib's Syntax Markdown

Check if you run it

No confirmed exploitation is on record for CVE-2025-46558. EPSS is 0.48%. Act only if a listed version of XWiki Contrib's Syntax Markdown is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (XWiki Contrib's Syntax Markdown).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.48%
Remediation
Version ranges on file
Affected products
vendor xwiki-contrib syntax-markdown 8.2, < 8.9

XWiki Contrib's Syntax Markdown allows importing Markdown content into wiki pages and creating wiki content in Markdown. In versions starting from 8.2 to before 8.9, the Markdown syntax is vulnerable to cross-site scripting (XSS) through HTML. In particular, using Markdown syntax, it's possible for any user to embed Javascript code that will then be executed on the browser of any other user visiting either the document or the comment that contains it. In the instance that this code is executed by a user with admins or programming rights, this issue compromises the confidentiality, integrity an

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor xwiki-contrib syntax-markdown 8.2, < 8.98.2, < 8.9

How to fix CVE-2025-46558

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-46558. EPSS is 0.48%. Act only if a listed version of XWiki Contrib's Syntax Markdown is installed.

Which versions are affected?

Compare what you have installed with xwiki-contrib syntax-markdown 8.2, < 8.9 8.2, < 8.9. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.48%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 30, 2025 · EUVD

    Detected

    XWiki Contrib's Syntax Markdown allows importing Markdown content into wiki pages and creating wiki content in Markdown. In versions starting from 8.2 to before 8.9, the Markdown syntax is vulnerable to cross-site scripting (XSS) through HTML. In particular, using Markdown syntax, it's possible for any user to embed Javascript code that will then be executed on the browser of any other user visiti

  2. Apr 30, 2025 · EUVD

    Updated

    XWiki Contrib's Syntax Markdown allows importing Markdown content into wiki pages and creating wiki content in Markdown. In versions starting from 8.2 to before 8.9, the Markdown syntax is vulnerable to cross-site scripting (XSS) through HTML. In particular, using Markdown syntax, it's possible for any user to embed Javascript code that will then be executed on the browser of any other user visiti

Sources

  • CVE.orgVulnerability recordCVE-2025-46558

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-46558

    30-day exploitation probability 0.5%

    first.org
  • EUVDVulnerability recordEUVD-2025-12747

    XWiki Contrib's Syntax Markdown allows importing Markdown content into wiki pages and creating wiki content in Markdown. In versions starting from 8.2 to before 8.9, the Markdown syntax is vulnerable to cross-site scripting (XSS) through HTML. In particular, using Markdown syntax

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.