How severe is CVE-2011-4551?

CVE-2011-4551 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-4551 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4551?

CVE-2011-4551 primarily affects Tiki Tikiwiki Cms/groupware. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-4551?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-4551 published?

CVE-2011-4551 was published on 2012-10-01 and last updated on 2026-06-16.

CVE-2011-4551

CVE-2011-4551 is a medium-severity vulnerability in Tiki Tikiwiki Cms/groupware with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Tiki Tikiwiki Cms/groupware
Published: 2012-10-01
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in tiki-cookie-jar.php in TikiWiki CMS/Groupware before 8.2 and LTS before 6.5 allows remote attackers to inject arbitrary web script or HTML via arbitrary parameters.

Frequently asked questions

What is CVE-2011-4551?: Cross-site scripting (XSS) vulnerability in tiki-cookie-jar.php in TikiWiki CMS/Groupware before 8.2 and LTS before 6.5 allows remote attackers to inject arbitrary web script or HTML via arbitrary parameters.
How severe is CVE-2011-4551?: CVE-2011-4551 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-4551 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4551?: CVE-2011-4551 primarily affects Tiki Tikiwiki Cms/groupware. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4551?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4551 published?: CVE-2011-4551 was published on 2012-10-01 and last updated on 2026-06-16.

References

Affected products (24)

cpe:2.3:a:tiki:tikiwiki_cms\/groupware:*:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:2.2:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:3.0:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:3.1:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:3.2:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:3.3:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:3.4:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:3.5:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:4:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:4.0:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:4.1:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:4.2:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:5.0:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:5.1:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:5.2:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:5.3:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:6.0:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:6.1:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:6.2:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:7.0:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:7.1:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:7.2:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:8.0:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:*:-:lts:*:*:*:*:*

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