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Description

SPIP before 4.2.15 allows Cross-Site Scripting (XSS) via crafted content in HTML code tags. The application does not properly verify JavaScript within code tags, allowing an attacker to inject malicious scripts that execute in a victim's browser.

PUBLISHED Reserved 2026-02-19 | Published 2026-02-19 | Updated 2026-02-19 | Assigner VulnCheck




MEDIUM: 4.8CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

MEDIUM: 5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Problem types

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status
unaffected

4.2.0 (semver) before 4.2.15
affected

Credits

JO finder

References

blog.spip.net/...ance-et-securite-sortie-de-SPIP-4-2-15.html vendor-advisory patch

git.spip.net/spip/spip product

www.vulncheck.com/...spip-cross-site-scripting-via-code-tags (VulnCheck Advisory: SPIP < 4.2.15 Cross-Site Scripting via Code Tags) third-party-advisory

cve.org (CVE-2025-71240)

nvd.nist.gov (CVE-2025-71240)

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