CVE-2023-29522

CRITICALNVD 9.99.9—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.9 under NVD CVSS v3. EPSS exploit probability: 1.9%, top 23% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
9.9
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.9Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with view rights can execute arbitrary script macros including Groovy and Python macros that allow remote code execution including unrestricted read and write access to all wiki contents. The attack works by opening a non-existing page with a name crafted to contain a dangerous payload. This issue has been patched in XWiki 14.4.8, 14.10.3 and 15.0RC1. Users are advised to upgrade. There are no known workarounds for this vulnerability.

CVSS v3
9.9
EG Score
9.9(medium)
EG Risk
61(Track*)
EG Risk 61/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity99% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
77.1%
KEV
Not listed

Published

April 19, 2023

Last Modified

November 21, 2024

Advisory Details (3)

Auto-updated Jul 21, 2026
Patch available. Sources: github_commit, github.
generic

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https://jira.xwiki.org/browse/XWIKI-20456
github Patch Available

Privilege escalation (PR) from view right on XWiki.ClassSheet · Advisory · xwiki/xwiki-platform · GitHub

https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-mjw9-3f9f-jq2w
github_commit Patch Available

commit d7e561853766 (xwiki/xwiki-platform)

Patch available: xwiki/xwiki-platform xwiki-platform-16.10.16 (contains commit d7e561853766)

https://github.com/xwiki/xwiki-platform/commit/d7e56185376641ee5d66477c6b2791ca8e85cfee

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFixed inDependents
org.xwiki.platform:xwiki-platform-xclass-ui—14.10.3—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 14× in last 7d / 50× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 105 total refreshes for this CVE.

  1. 2026-07-23 14:16 UTCEPSS rescore
  2. 2026-07-23 14:16 UTCEPSS rescore
  3. 2026-07-23 02:21 UTCEG score recompute
  4. 2026-07-22 23:09 UTCEG score recompute
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  49. 2026-06-10 13:21 UTCEPSS rescore
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  51. 2026-06-10 10:17 UTCOSV refresh
  52. 2026-06-08 14:15 UTCEPSS rescore
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  75. 2026-05-27 13:39 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2023-29522?
CVE-2023-29522 is a critical vulnerability published on April 19, 2023. XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with view rights can execute arbitrary script macros including Groovy and Python macros that allow remote code execution including unrestricted read and write access to all wiki…
When was CVE-2023-29522 disclosed?
CVE-2023-29522 was first published in the National Vulnerability Database on April 19, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-29522 actively exploited?
CVE-2023-29522 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 77.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-29522?
CVE-2023-29522 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2023-29522?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-29522, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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