How severe is CVE-2010-4358?

CVE-2010-4358 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2010-4358 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-4358?

CVE-2010-4358 affects Mrcgiguy Guestbook. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2010-4358?

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

When was CVE-2010-4358 published?

CVE-2010-4358 was published on 2010-12-01 and last updated on 2026-06-16.

CVE-2010-4358

CVE-2010-4358 is a medium-severity vulnerability in Mrcgiguy Guestbook 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% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mrcgiguy Guestbook
Published: 2010-12-01
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in gb.cgi in MRCGIGUY (MCG) Guestbook 1.0 allow remote attackers to inject arbitrary web script or HTML via the (1) name, (2) email, (3) website, and (4) message parameters.

Frequently asked questions

What is CVE-2010-4358?: Multiple cross-site scripting (XSS) vulnerabilities in gb.cgi in MRCGIGUY (MCG) Guestbook 1.0 allow remote attackers to inject arbitrary web script or HTML via the (1) name, (2) email, (3) website, and (4) message parameters.
How severe is CVE-2010-4358?: CVE-2010-4358 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2010-4358 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-4358?: CVE-2010-4358 affects Mrcgiguy Guestbook. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-4358?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-4358 published?: CVE-2010-4358 was published on 2010-12-01 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:mrcgiguy:guestbook:1.0:*:*:*:*:*:*:*

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