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.
Conclusion & alert: CVE-2025-71240 is rated Low Risk (22.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.18%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.03% | 0.18% | +0.15% |
| 2 | 2026-02-20 | — | 0.03% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.8 | 4.0 | MEDIUM |
|
— | — | [email protected] |
| 5.4 | 3.1 | MEDIUM |
|
2.3 | 2.7 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2025-71240 not yet assigned priority: Debian including 1 source packages (spip), 4 status rows across 4 suites (bullseye, forky, sid, trixie): resolved 3, open 1. | https://security-tracker.debian.org/tracker/CVE-2025-71240 |
ubuntu
|
medium | CVE-2025-71240 medium priority: Ubuntu including 1 source packages (spip), 7 status rows across 7 suites (bionic, focal, jammy, noble, questing, upstream, xenial): needs-triage 5, not-affected 1, released 1. | https://ubuntu.com/security/CVE-2025-71240 |
| URL | Tags |
|---|---|
| https://blog.spip.net/Mise-a-jour-de-maintenance-et-securite-sortie-de-SPIP-4-2-15.html | Release Notes |
| https://git.spip.net/spip/spip | Product |
| https://www.vulncheck.com/advisories/spip-cross-site-scripting-via-code-tags | Third Party Advisory |