Critical severity · published Sep 6, 2024
CVE-2024-8517
SPIP Bigup Multipart File Upload OS Command Injection
9.8
CVSS
94.6%
EPSS
No
On KEV
Description
SPIP before 4.3.2, 4.2.16, and
4.1.18 is vulnerable to a command injection issue. A
remote and unauthenticated attacker can execute arbitrary operating system commands by sending a crafted multipart file upload HTTP request.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)94.6% · higher than 100% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SP
SPIP · SPIP
4.3.0 through 4.3.1; 4.2.0 through 4.2.15; 4.1.0 through 4.1.18 · source: vendor, NVD, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-8517
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-8517
Vendor Advisory
https://blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-3-2-SPIP-4-2-16-SPIP-4-1-18.html
Exploit
https://thinkloveshare.com/hacking/spip_preauth_rce_2024_part_2_a_big_upload/
Exploit
https://vozec.fr/researchs/spip-preauth-rce-2024-big-upload/
Third Party Advisory
https://vulncheck.com/advisories/spip-upload-rce
More from SPIP
9.8
CVE-2026-72710
SPIP < 4.4.18 RCE via editer_objet.php Job Queue Injection
9.8
CVE-2026-72709
SPIP < 4.4.18 Missing Authorization via ecrire/action/
9.8
CVE-2026-77806
SPIP before 4.4.21 allows unauthenticated remote attackers to execute arbitrary code, as exploited in the wild in August 2026
9.8
CVE-2026-77647
SPIP before 4.4.20 allows unauthenticated remote attackers to execute arbitrary code, as exploited in the wild in August 2026
9.8
CVE-2024-7954
SPIP porte_plume Plugin Arbitrary PHP Execution
