CVE-2020-15171

Users with SCRIPT rights can execute arbitrary code in XWiki

MEDIUM

6.6

CVSS Score

Published: September 10, 2020 at 07:40 PM UTC

Updated: June 17, 2026 at 02:56 AM UTC

1 product affected across 1 vendorXwiki

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Severity

MEDIUM6.6

Exploit prediction

EPSS 1%

Description

In XWiki before versions 11.10.5 or 12.2.1, any user with SCRIPT right (EDIT right before XWiki 7.4) can gain access to the application server Servlet context which contains tools allowing to instantiate arbitrary Java objects and invoke methods that may lead to arbitrary code execution. The only workaround is to give SCRIPT right only to trusted users.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Xwiki · Xwikimaven

95%

v < 11.10.5v < 12.2.112.0.0 ≤ v < 12.2.1

Affected range stops below 11.10.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.2.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRMThird Party Advisory

Source: [email protected]

https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-7qw5-pqhc-xm4g

CVSS

6.6MEDIUMGitHub_M

Attack Vector: NETWORK
Complexity: HIGH
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-94CWE-74

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