CVE-2020-28984

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-11-23 · updated 2026-06-17

Description

prive/formulaires/configurer_preferences.php in SPIP before 3.2.8 does not properly validate the couleur, display, display_navigation, display_outils, imessage, and spip_ecran parameters.

Affected products

Debian Linux: 9.0, 10.0
SPIP: before 3.2.8 — fixed in 3.2.8

How to fix

Upgrade to a fixed version: SPIP 3.2.8. Check the vendor advisory for mitigations.

References

https://git.spip.net/spip/spip/commit/ae4267eba1022dabc12831ddb021c5d6e09040f8
https://git.spip.net/spip/spip/compare/v3.2.7...v3.2.8
https://lists.debian.org/debian-lts-announce/2020/12/msg00036.html
https://www.debian.org/security/2020/dsa-4798
https://git.spip.net/spip/spip/commit/ae4267eba1022dabc12831ddb021c5d6e09040f8
https://git.spip.net/spip/spip/compare/v3.2.7...v3.2.8
https://lists.debian.org/debian-lts-announce/2020/12/msg00036.html
https://www.debian.org/security/2020/dsa-4798

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