CVE-2023-29509

Q: How do I fix CVE-2023-29509?

Upgrade xwiki to 14.4.7 or later.

Q: Is CVE-2023-29509 being actively exploited?

Not that we know of. CVE-2023-29509 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 75.7% is the estimated probability that it will be exploited in the next 30 days. That is higher than 99% of all scored CVEs.

Q: How severe is CVE-2023-29509?

CVE-2023-29509 has a CVSS v3 base score of 9.9, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2023-29509 affect?

Published advisories record a fix for xwiki (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

CRITICALEPSS 99th pctl

9.9

CVSS v3

NVD

Description

XWiki Commons are technical libraries common to several other top level XWiki projects. Any user with view rights on commonly accessible documents can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of the `documentTree` macro parameters in This macro is installed by default in `FlamingoThemesCode.WebHome`. This page is installed by default. The vulnerability has been patched in XWiki 13.10.11, 14.4.7 and 14.10.

CWE-95 CWE-94Code Injection

How to fix

Remediation Available

xwikiNVD

Affected:>= 14.4.0, < 14.4.7Fixed in:14.4.7CVE-2023-29509derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

75.69%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

Patch2

Exploit1

jira.xwiki.org

Related Vulnerabilities

Other CWE-95 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-24893	Critical	9.8	100%	KEV	Fix
CVE-2026-33017	Critical	9.8	100%	KEV	Fix
CVE-2024-36401	Critical	9.8	100%	KEV	Fix
CVE-2024-21650	Critical	10.0	93%	-	-
CVE-2023-37462	Critical	9.9	91%	-	Fix
CVE-2024-7954	Critical	9.8	90%	-	Fix

Common questions

How do I fix CVE-2023-29509?

Upgrade xwiki to 14.4.7 or later.

Is CVE-2023-29509 being actively exploited?

Not that we know of. CVE-2023-29509 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 75.7% is the estimated probability that it will be exploited in the next 30 days. That is higher than 99% of all scored CVEs.

How severe is CVE-2023-29509?

CVE-2023-29509 has a CVSS v3 base score of 9.9, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2023-29509 affect?

Published advisories record a fix for xwiki (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2023-29509

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.