How severe is CVE-2006-2516?

CVE-2006-2516 has a CVSS 2.0 base score of 5.1, rated medium severity.

Is CVE-2006-2516 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-2516?

CVE-2006-2516 primarily affects Xoops. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-2516?

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

When was CVE-2006-2516 published?

CVE-2006-2516 was published on 2006-05-22 and last updated on 2026-06-16.

CVE-2006-2516

CVE-2006-2516 is a medium-severity vulnerability in Xoops with a CVSS 2.0 base score of 5.1. 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-22.

Key facts

Severity: Medium (CVSS 2.0 base score 5.1)
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Xoops
Published: 2006-05-22
Last modified: 2026-06-16

Description

mainfile.php in XOOPS 2.0.13.2 and earlier, when register_globals is enabled, allows remote attackers to overwrite variables such as $xoopsOption['nocommon'] and conduct directory traversal attacks or include PHP files via (1) xoopsConfig[language] to misc.php or (2) xoopsConfig[theme_set] to index.php, as demonstrated by injecting PHP sequences into a log file.

Frequently asked questions

What is CVE-2006-2516?: mainfile.php in XOOPS 2.0.13.2 and earlier, when register_globals is enabled, allows remote attackers to overwrite variables such as $xoopsOption['nocommon'] and conduct directory traversal attacks or include PHP files via (1) xoopsConfig[language] to misc.php or (2) xoopsConfig[theme_set] to index.php, as demonstrated by injecting PHP sequences into a log file.
How severe is CVE-2006-2516?: CVE-2006-2516 has a CVSS 2.0 base score of 5.1, rated medium severity.
Is CVE-2006-2516 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-2516?: CVE-2006-2516 primarily affects Xoops. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-2516?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-2516 published?: CVE-2006-2516 was published on 2006-05-22 and last updated on 2026-06-16.

References

Affected products (18)

cpe:2.3:a:xoops:xoops:*:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.5:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.5.1:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.5.2:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.6:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.7:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.9:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.9.2:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.9.3:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.10:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.11:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.12_jp:*:*:*:*:*:*:*
cpe:2.3:a:xoops:xoops:2.0.13.1:*:*:*:*:*:*:*

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