Unauthenticated Remote Code Execution via Malformed X‑Spip‑Filtre Header in SPIP
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
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| SPIP | SPIP | unaffected |
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No data.
No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Spip | Spip |
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No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: 4.5% (4.479% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Unauthenticated Remote Code Execution via Malformed X‑Spip‑Filtre Header in SPIP |
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| Description | SPIP before 4.4.21 allows unauthenticated remote attackers to execute arbitrary code, as exploited in the wild in August 2026. This is related to code injection via an X-Spip-Filtre HTTP request header that is mishandled by analyse_resultat_skel. | |
| First Time appeared |
Spip
Spip spip |
|
| Weaknesses | CWE-94 | |
| CPEs | cpe:2.3:a:spip:spip:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Spip
Spip spip |
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| References |
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| Metrics |
cvssV3_1
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