How severe is CVE-2025-71243?

CVE-2025-71243 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-71243 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-71243?

CVE-2025-71243 affects Spip Saisies. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-71243?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-71243 have an EU (EUVD) identifier?

Yes. CVE-2025-71243 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207909.

When was CVE-2025-71243 published?

CVE-2025-71243 was published on 2026-02-19 and last updated on 2026-06-17.

CVE-2025-71243

CVE-2025-71243 is a critical-severity vulnerability in Spip Saisies with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-207909
Weakness: CWE-94
Affected product: Spip Saisies
Published: 2026-02-19
Last modified: 2026-06-17

Description

The 'Saisies pour formulaire' (Saisies) plugin for SPIP versions 5.4.0 through 5.11.0 contains a critical Remote Code Execution (RCE) vulnerability. An attacker can exploit this vulnerability to execute arbitrary code on the server. Users should immediately update to version 5.11.1 or later.

Frequently asked questions

What is CVE-2025-71243?: The 'Saisies pour formulaire' (Saisies) plugin for SPIP versions 5.4.0 through 5.11.0 contains a critical Remote Code Execution (RCE) vulnerability. An attacker can exploit this vulnerability to execute arbitrary code on the server. Users should immediately update to version 5.11.1 or later.
How severe is CVE-2025-71243?: CVE-2025-71243 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-71243 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-71243?: CVE-2025-71243 affects Spip Saisies. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-71243?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-71243 have an EU (EUVD) identifier?: Yes. CVE-2025-71243 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207909.
When was CVE-2025-71243 published?: CVE-2025-71243 was published on 2026-02-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:spip:saisies:*:*:*:*:*:spip:*:*

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