Which products and versions are affected by CVE-2012-0911?

Affected: Tikiwiki Cms\/groupware. The full list is in the CVE brief.

Is CVE-2012-0911 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2012-0911 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2012-0911?

Public exploit code is available.

Is there a fix for CVE-2012-0911?

Fixed versions are available, including Tikiwiki Cms\/groupware 6.7, Tikiwiki Cms\/groupware 8.4.

How urgently should CVE-2012-0911 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2012-0911

CriticalPublic exploit

Published Jul 12, 2012 · Updated Apr 28, 2026

Key Facts

Patch immediately

CVE-2012-0911 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Tikiwiki Cms\/groupware.
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 63% probability of exploitation in the next 30 days.
Fixed versions are available, including Tikiwiki Cms\/groupware 6.7, Tikiwiki Cms\/groupware 8.4.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

63%

Higher than 99.1% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2012-0911 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

TikiWiki CMS/Groupware before 6.7 LTS and before 8.4 allows remote attackers to execute arbitrary PHP code via a crafted serialized object in the (1) cookieName to lib/banners/bannerlib.php; (2) printpages or (3) printstructures parameter to (a) tiki-print_multi_pages.php or (b) tiki-print_pages.php; or (4) sendpages, (5) sendstructures, or (6) sendarticles parameter to tiki-send_objects.php, which is not properly handled when processed by the unserialize function.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
Tikiwiki Cms\/groupwareTiki	See advisory	8.4

Patched Releases

Tikiwiki Cms\/groupware

6.7, 8.4

Timeline

Publicly disclosed
Jul 12, 2012
Last updated
Apr 28, 2026

Weakness Type

CWE-502 Deserialization of Untrusted Data

References

7 more references in the full CVE brief

FAQ

Common Questions.

TikiWiki CMS/Groupware before 6.7 LTS and before 8.4 allows remote attackers to execute arbitrary PHP code via a crafted serialized object in the (1) cookieName to lib/banners/bannerlib.php; (2) printpages or (3) printstructures parameter to (a) tiki-print_multi_pages.php or (b) tiki-print_pages.php; or (4) sendpages,…
Affected: Tikiwiki Cms\/groupware. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Tikiwiki Cms\/groupware 6.7, Tikiwiki Cms\/groupware 8.4.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2012-0911 Running On Your Attack Surface?

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