Description
SPIP before 3.1.11 and 3.2 before 3.2.5 provides different error messages from the password-reminder page depending on whether an e-mail address exists, which might help attackers to enumerate subscribers.
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 | 3.2.5-1 | — |
| Debian 13 | spip | 3.2.5-1 | — |
| Debian 10 | spip | 3.2.4-1+deb10u1 | DSA-4532-1 |
| Debian 9 | spip | 3.1.4-4~deb9u3 | DSA-4532-1 |
| Debian 8 | spip | 3.0.17-2+deb8u5 | DLA-1975-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | spip | 3.1.4-4~deb9u3build0.18.04.1 | USN-4536-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | spip | No fix yet | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
trungnd51/Silent_CVE_2019_16394 ★ 0 · Feb 18, 2020
Simple POC for CVE-2019-16394
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 3
- USN-4536-1 spip vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-4532-1 spip - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1975-1 spip - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://blog.spip.net/Mise-a-jour-CRITIQUE-de-securite-Sortie-de-SPIP-3-2-5-et-SPIP-3-1-11.html
- https://core.spip.net/issues/4171
- https://zone.spip.net/trac/spip-zone/changeset/117577/spip-zone
- https://zone.spip.net/trac/spip-zone/changeset/117578/spip-zone
- 20190925 [SECURITY] [DSA 4532-1] spip security update mailing-list
- DSA-4532 vendor-advisory
- [debian-lts-announce] 20191028 [SECURITY] [DLA 1975-1] spip security update mailing-list
- USN-4536-1 vendor-advisory