How severe is CVE-2009-1620?

CVE-2009-1620 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-1620 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1620?

CVE-2009-1620 affects Mata Matachat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-1620?

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

When was CVE-2009-1620 published?

CVE-2009-1620 was published on 2009-05-12 and last updated on 2026-06-16.

CVE-2009-1620

CVE-2009-1620 is a medium-severity vulnerability in Mata Matachat 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% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mata Matachat
Published: 2009-05-12
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in input.php in MataChat allow remote attackers to inject arbitrary web script or HTML via the (1) nickname and (2) color parameters.

Frequently asked questions

What is CVE-2009-1620?: Multiple cross-site scripting (XSS) vulnerabilities in input.php in MataChat allow remote attackers to inject arbitrary web script or HTML via the (1) nickname and (2) color parameters.
How severe is CVE-2009-1620?: CVE-2009-1620 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-1620 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1620?: CVE-2009-1620 affects Mata Matachat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-1620?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-1620 published?: CVE-2009-1620 was published on 2009-05-12 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:mata:matachat:*:*:*:*:*:*:*:*

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