---
title: "CVE-2025-53837: XWiki Rendering - Remote Code Execution"
description: "XWiki Rendering < 14.10.2 and < 15.0 RC1 contains a remote code execution caused by unescaped rendering output in HTML macros, letting users with edit rights execute arbitrary script macros with programming rights, exploit requires edit access to user profile or documents."
url: https://panop.io/threat-heartbeat/CVE-2025-53837/
---

# CVE-2025-53837 XWiki Rendering - Remote Code Execution

XWiki Rendering < 14.10.2 and < 15.0 RC1 contains a remote code execution caused by unescaped rendering output in HTML macros, letting users with edit rights execute arbitrary script macros with programming rights, exploit requires edit access to user profile or documents.

CVSS base score 9.9 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.64% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2025-53837)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution, File System Read, File System Write

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Published

18 September 2026

Updated

15 October 2026

Weakness

[CWE-95](https://cwe.mitre.org/data/definitions/95.html)

## Vendor fix

Upgrade to versions 14.10.2 or 15.0 RC1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2025-53837](https://nvd.nist.gov/vuln/detail/CVE-2025-53837)
- [https://github.com/xwiki/xwiki-rendering/releases/tag/xwiki-rendering-15.0-rc-1](https://github.com/xwiki/xwiki-rendering/releases/tag/xwiki-rendering-15.0-rc-1)
- [https://github.com/xwiki/xwiki-rendering/security/advisories/GHSA-26vp-8gxg-v4pg](https://github.com/xwiki/xwiki-rendering/security/advisories/GHSA-26vp-8gxg-v4pg)
- [https://jira.xwiki.org/browse/XRENDERING-693](https://jira.xwiki.org/browse/XRENDERING-693)
- [https://jira.xwiki.org/browse/XWIKI-20313](https://jira.xwiki.org/browse/XWIKI-20313)
- [https://jira.xwiki.org/browse/XWIKI-20327](https://jira.xwiki.org/browse/XWIKI-20327)
- [https://github.com/xwiki/xwiki-rendering/commit/92bc8095ed3acce15ab200c8525e1623b4898be5](https://github.com/xwiki/xwiki-rendering/commit/92bc8095ed3acce15ab200c8525e1623b4898be5)
- [https://github.com/xwiki/xwiki-rendering/releases/tag/xwiki-rendering-14.10.2](https://github.com/xwiki/xwiki-rendering/releases/tag/xwiki-rendering-14.10.2)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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