CVE-2025-66024

CRITICALNVD 9.09.0—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.0 under NVD CVSS v3. EPSS exploit probability: 0.6%, top 29% 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
9.0
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.0Exploit: NoneExposed: 0

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

The XWiki blog application allows users of the XWiki platform to create and manage blog posts. Versions prior to 9.15.7 are vulnerable to Stored Cross-Site Scripting (XSS) via the Blog Post Title. The vulnerability arises because the post title is injected directly into the HTML tag without proper escaping. An attacker with permissions to create or edit blog posts can inject malicious JavaScript into the title field. This script will execute in the browser of any user (including administrators) who views the blog post. This leads to potential session hijacking or privilege escalation. The vulnerability has been patched in the blog application version 9.15.7 by adding missing escaping. No known workarounds are available.

CVSS v3
9.0
EG Score
9.0(medium)
EPSS
27.4%
KEV
Not listed

Published

March 4, 2026

Last Modified

April 21, 2026

Advisory Details (3)

Auto-updated May 2, 2026
Patch available. Sources: github.
generic

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https://jira.xwiki.org/browse/BLOG-245
github Patch Available

Stored XSS in Blog Application home page via Post Title · Advisory · xwiki-contrib/application-blog · GitHub

https://github.com/xwiki-contrib/application-blog/security/advisories/GHSA-h2xq-h7f9-vh6c
generic

BLOG-245: Improve blog home page escaping · xwiki-contrib/application-blog@cca87f0 · GitHub

https://github.com/xwiki-contrib/application-blog/commit/cca87f0a0edc2e7e049d46d51f4a4d8f78b714ba

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFixed inDependents
org.xwiki.contrib.blog:application-blog-ui—9.15.7—

Data Freshness Timeline

(refreshed 10× in last 7d / 47× 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 110 total refreshes for this CVE.

  1. 2026-07-11 08:27 UTCEPSS rescore
  2. 2026-07-09 19:09 UTCEPSS rescore
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  1. 2026-06-24 14:04 UTCEPSS rescore
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  73. 2026-05-23 00:09 UTCEG score recompute
  74. 2026-05-22 21:16 UTCEPSS rescore
  75. 2026-05-22 21:16 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-66024?
CVE-2025-66024 is a critical vulnerability published on March 4, 2026. The XWiki blog application allows users of the XWiki platform to create and manage blog posts. Versions prior to 9.15.7 are vulnerable to Stored Cross-Site Scripting (XSS) via the Blog Post Title. The vulnerability arises because the post title is injected directly into the HTML <title> tag without…
When was CVE-2025-66024 disclosed?
CVE-2025-66024 was first published in the National Vulnerability Database on March 4, 2026, with the most recent update on April 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-66024 actively exploited?
CVE-2025-66024 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 27.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-66024?
CVE-2025-66024 has a CVSS v3 base score of 9.0 (NVD).
How do I remediate CVE-2025-66024?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-66024, 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.

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