XWiki Blog Application fixes 1 vulnerability

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[TLP:CLEAR] XWiki Blog Application fixes 1 vulnerability

XWiki Blog Application version 9.15.7 fixes a high-severity vulnerability [1][2]. The implementation of the fix is also available in commit cca87f0 [3].

XWiki Blog Application - XSS (CVE-2025-66024)

CVSS 8.6 (High)

Allows an authenticated remote attacker to carry out an XSS attack by manipulating the title of a Blog post [1][2]. A PoC is available at [2].

The vulnerability is present in product:

XWiki Blog Application; <9.15.7;

CVSS: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

More information:

CVE-2025-66024 at cve.org, NVD
CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') at cwe.mitre.org

The vulnerability was publicly disclosed 4. 3. 2026.

Links

By CESNET, z.s.p.o. Michaela Ručková on 5. 3. 2026.

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[TLP:CLEAR] XWiki Blog Application fixes 1 vulnerability

XWiki Blog Application - XSS (CVE-2025-66024)

CVSS 8.6 (High)

Links