CVE-2021-32924

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 19.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-06-01 · updated 2026-06-17
Weakness: CWE-94

Description

Invision Community (aka IPS Community Suite) before 4.6.0 allows eval-based PHP code injection by a moderator because the IPS\cms\modules\front\pages\_builder::previewBlock method interacts unsafely with the IPS\_Theme::runProcessFunction method.

Affected products

invisioncommunity Ips Community Suite: before 4.6.0 — fixed in 4.6.0

How to fix

Upgrade to a fixed version: invisioncommunity Ips Community Suite 4.6.0. Check the vendor advisory for mitigations.

References

http://karmainsecurity.com/KIS-2021-04
http://packetstormsecurity.com/files/162868/IPS-Community-Suite-4.5.4.2-PHP-Code-Injection.html
http://seclists.org/fulldisclosure/2021/May/80
https://hackerone.com/reports/1092574
https://invisioncommunity.com/features/security/
http://karmainsecurity.com/KIS-2021-04
http://packetstormsecurity.com/files/162868/IPS-Community-Suite-4.5.4.2-PHP-Code-Injection.html
http://seclists.org/fulldisclosure/2021/May/80
https://hackerone.com/reports/1092574
https://invisioncommunity.com/features/security/

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