How severe is CVE-2008-3573?

CVE-2008-3573 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2008-3573 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-3573?

CVE-2008-3573 primarily affects Php-nuke. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-3573?

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

When was CVE-2008-3573 published?

CVE-2008-3573 was published on 2008-08-10 and last updated on 2026-06-16.

CVE-2008-3573

CVE-2008-3573 is a medium-severity vulnerability in Php-nuke with a CVSS 2.0 base score of 5.0. 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-189.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Php-nuke
Published: 2008-08-10
Last modified: 2026-06-16

Description

The CAPTCHA implementation in (1) Pligg 9.9.5 and possibly (2) Francisco Burzi PHP-Nuke 8.1 provides a critical random number (the ts_random value) within the URL in the SRC attribute of an IMG element, which allows remote attackers to pass the CAPTCHA test via a calculation that combines this value with the current date and the HTTP User-Agent string.

Frequently asked questions

What is CVE-2008-3573?: The CAPTCHA implementation in (1) Pligg 9.9.5 and possibly (2) Francisco Burzi PHP-Nuke 8.1 provides a critical random number (the ts_random value) within the URL in the SRC attribute of an IMG element, which allows remote attackers to pass the CAPTCHA test via a calculation that combines this value with the current date and the HTTP User-Agent string.
How severe is CVE-2008-3573?: CVE-2008-3573 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2008-3573 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-3573?: CVE-2008-3573 primarily affects Php-nuke. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-3573?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-3573 published?: CVE-2008-3573 was published on 2008-08-10 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:php-nuke:php-nuke:8.1:*:*:*:*:*:*:*
cpe:2.3:a:pligg:pligg:9.9.5:*:*:*:*:*:*:*

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