How severe is CVE-2008-4456?

CVE-2008-4456 has a CVSS 2.0 base score of 2.6, rated low severity.

Is CVE-2008-4456 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4456?

CVE-2008-4456 primarily affects Mysql. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-4456?

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

When was CVE-2008-4456 published?

CVE-2008-4456 was published on 2008-10-06 and last updated on 2026-06-16.

CVE-2008-4456

CVE-2008-4456 is a low-severity vulnerability in Mysql with a CVSS 2.0 base score of 2.6. 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: Low (CVSS 2.0 base score 2.6)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mysql
Published: 2008-10-06
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in the command-line client in MySQL 5.0.26 through 5.0.45, and other versions including versions later than 5.0.45, when the --html option is enabled, allows attackers to inject arbitrary web script or HTML by placing it in a database cell, which might be accessed by this client when composing an HTML document. NOTE: as of 20081031, the issue has not been fixed in MySQL 5.0.67.

Frequently asked questions

What is CVE-2008-4456?: Cross-site scripting (XSS) vulnerability in the command-line client in MySQL 5.0.26 through 5.0.45, and other versions including versions later than 5.0.45, when the --html option is enabled, allows attackers to inject arbitrary web script or HTML by placing it in a database cell, which might be accessed by this client when composing an HTML document. NOTE: as of 20081031, the issue has not been fixed in MySQL 5.0.67.
How severe is CVE-2008-4456?: CVE-2008-4456 has a CVSS 2.0 base score of 2.6, rated low severity.
Is CVE-2008-4456 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4456?: CVE-2008-4456 primarily affects Mysql. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-4456?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-4456 published?: CVE-2008-4456 was published on 2008-10-06 and last updated on 2026-06-16.

References

Affected products (15)

cpe:2.3:a:mysql:mysql:5.0.4:*:*:*:*:*:*:*
cpe:2.3:a:mysql:mysql:5.0.30:*:*:*:*:*:*:*
cpe:2.3:a:mysql:mysql:5.0.36:*:*:*:*:*:*:*
cpe:2.3:a:mysql:mysql:5.0.44:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql:5.0.26:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql:5.0.27:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql:5.0.30:sp1:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql:5.0.32:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql:5.0.33:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql:5.0.37:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql:5.0.38:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql:5.0.41:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql:5.0.42:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql:5.0.45:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql:5.0.67:*:*:*:*:*:*:*

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