CVE-2023-40573

XWiki Platform's Groovy jobs check the wrong author, allowing remote code execution

HIGH
8.8
CVSS Score
Published: August 24, 2023 at 01:31 AM UTC
Updated: June 17, 2026 at 06:18 AM UTC
1 product affected across 1 vendorXwiki

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Severity
HIGH8.8
Exploit prediction
EPSS 1%
SSVC
PoC

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. XWiki supports scheduled jobs that contain Groovy scripts. Currently, the job checks the content author of the job for programming right. However, modifying or adding a job script to a document doesn't modify the content author. Together with a CSRF vulnerability in the job scheduler, this can be exploited for remote code execution by an attacker with edit right on the wiki. If the attack is successful, an error log entry with "Job content executed" will be produced. This vulnerability has been patched in XWiki 14.10.9 and 15.4RC1.

Affected

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

v < 14.10.9v < 15.4-rc-11.3 ≤ v < 14.10.915.0-rc-1 ≤ v < 15.4-rc-11.315.015.0 rc115.0-rc-115.115.1 rc115.215.2 rc115.315.3 rc1>= 1.3
Affected range stops below 14.10.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.4-rc-1, so it looks safe — our inference, not a vendor statement

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

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

Quick Info

StatusMODIFIED
CWE
CWE-284NVD-CWE-noinfo

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