CVE-2011-4565

CVE-2011-4565 is a medium-severity vulnerability in Xoops 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: 1% (67th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-79
• Affected product: Xoops
• Published: 2011-11-28
• Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in XOOPS 2.5.1.a, and possibly earlier versions, allow remote attackers to inject arbitrary web script or HTML via the (1) text parameter to include/formdhtmltextarea_preview.php or (2) img BBCODE tag within the message parameter to pmlite.php (aka Private Message). NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2011-4565?

Multiple cross-site scripting (XSS) vulnerabilities in XOOPS 2.5.1.a, and possibly earlier versions, allow remote attackers to inject arbitrary web script or HTML via the (1) text parameter to include/formdhtmltextarea_preview.php or (2) img BBCODE tag within the message parameter to pmlite.php (aka Private Message). NOTE: some of these details are obtained from third party information.

How severe is CVE-2011-4565?

CVE-2011-4565 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-4565 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4565?

CVE-2011-4565 primarily affects Xoops. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-4565?

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

When was CVE-2011-4565 published?

CVE-2011-4565 was published on 2011-11-28 and last updated on 2026-06-16.

References

• http://secunia.com/advisories/46238
• http://www.securityfocus.com/bid/49995
• http://xoops.org/modules/news/article.php?storyid=6094
• https://exchange.xforce.ibmcloud.com/vulnerabilities/70377
• https://exchange.xforce.ibmcloud.com/vulnerabilities/70378
• https://www.htbridge.ch/advisory/multiple_xss_in_xoops_web_application_platform.html

Affected products (30)

• cpe:2.3:a:xoops:xoops:*:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.0.13.2:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.0.14:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.0.14:rc1:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.0.15:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.0.16:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.0.17:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.0.17.1:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.0.17.1:rc:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.0.17.1:rc2:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.0.18:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.0.18:rc:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.0.18.1:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.0.18.1:rc:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.0.18.2:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.3.2a:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.3.2b:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.3.3:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.3.3b:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.4.1:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.4.2:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.4.3:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.4.4:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.4.5:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.5.0:*:*:*:*:*:*:*
• cpe:2.3:a:xoops:xoops:2.5.1:*:*:*:*:*:*:*

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