CVE-2025-66024
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2025-66024 is indexed in GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation even though it is not (yet) in the CISA KEV catalog.
Impact
The Blog Application is 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 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.
To reproduce:
- Log in as a user with rights to create blog posts.
- Create a new blog post.
- In the Title field, insert the following payload designed to break out of the title tag:
</title><script>alert('XSS in title blog')</script>
- Save (Publish) the post.
- View the post in the blog home page
Patches
The vulnerability has been patched in the blog application version 9.15.7 by adding missing escaping.
Workarounds
We're not aware of any workarounds.
References
- https://jira.xwiki.org/browse/BLOG-245
- https://github.com/xwiki-contrib/application-blog/commit/cca87f0a0edc2e7e049d46d51f4a4d8f78b714ba
Attribution
Łukasz Rybak reported this vulnerability.
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Exploitation outlook
- Low exploitation risk0.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2025-66024 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
Advisory coverage (1)
External references
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