Description
The encoder_contexte_ajax function in ecrire/inc/filtres.php in SPIP 2.x before 2.1.19, 3.0.x before 3.0.22, and 3.1.x before 3.1.1 allows remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via a crafted serialized object.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | spip | 3.0.22-1 | — |
| Debian 13 | spip | 3.0.22-1 | — |
| Debian 8 | spip | 3.0.17-2+deb8u2 | DSA-3518-1 |
| Debian 7 | spip | 2.1.17-1+deb7u5 | DSA-3518-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | spip | No fix yet | — |
Advisories 1
- DSA-3518-1 spip - security update Debian Security (DSA / DLA) · Mar 9, 2026