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🛡️ CVE-2023-37277 — xwiki

🔴 CVSS 9.6 — Critical ✅ No Known Exploit CWE-352 NVD
9.6
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

XWiki Platform vulnerable to cross-site request forgery (CSRF) via the REST API

Impact

The REST API allows executing all actions via POST requests and accepts text/plain, multipart/form-data or application/www-form-urlencoded as content types which can be sent via regular HTML forms, thus allowing cross-site request forgery. With the interaction of a user with programming rights, this allows remote code execution through script macros and thus impacts the integrity, availability and confidentiality of the whole XWiki installation.

For regular cookie-based authentication, the vulnerability is mitigated by SameSite cookie restrictions but as of March 2023, these are not enabled by default in Firefox and Safari.

Patches

The vulnerability has been patched in XWiki 14.10.8 and 15.2 by requiring a CSRF token header for certain request types that are susceptible to CSRF attacks.

Workarounds

It is possible to check for the Origin header in a reverse proxy to protect the REST endpoint from CSRF attacks, see [the Jira issue](https://jira.xwiki.org/browse/XWIKI-20135) for an example configuration.

References

  • https://jira.xwiki.org/browse/XWIKI-20135
  • https://github.com/xwiki/xwiki-platform/commit/4c175405faa0e62437df397811c7526dfc0fbae7

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: Required — someone has to click, open or visit something.
  • Scope: Changed — a successful attack reaches components beyond the vulnerable one.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: High — total loss, or loss the attacker controls.
  • Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2023-37277 is classified as CWE-352: Cross-Site Request Forgery (CSRF). A state-changing request is accepted without proof it was intended, so another site can trigger it using the victim's session.

Affected software

CVE-2023-37277 is recorded against 4 packages.

  • com.xpn.xwiki.platform:xwiki-core-rest-server (from 1.8 up to 14.10.8)
  • com.xpn.xwiki.platform:xwiki-rest (from 1.8 up to 14.10.8)
  • org.xwiki.platform:xwiki-platform-rest-server (from 15.0-rc-1 up to 15.2)
  • xwiki (from 15.0 up to 15.2)

Timeline and source

Published on 10 July 2023 and last revised on 8 November 2023. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Package)
jira.xwiki.org (Web)

Same weakness in other software

These advisories are the same class of weakness (CWE-352: Cross-Site Request Forgery (CSRF)) in other software:

Details

Severity CRITICAL
CVSS Score 9.6
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CWE CWE-352
Public Exploit ✅ No
Source NVD
Published 2023-07-10
Updated 2026-08-20
Modified 2023-11-08

Affected Packages

Software From version Fixed in
com.xpn.xwiki.platform:xwiki-core-rest-server 1.8 14.10.8
com.xpn.xwiki.platform:xwiki-rest 1.8 14.10.8
org.xwiki.platform:xwiki-platform-rest-server 15.0-rc-1 15.2
xwiki 15.0 15.2

Exploit Protection

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CVE-2023-37277 carries CVSS 9.6 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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