How severe is CVE-2007-5477?

CVE-2007-5477 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2007-5477 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-5477?

CVE-2007-5477 primarily affects Valve Software Half-life Dedicated Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-5477?

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

When was CVE-2007-5477 published?

CVE-2007-5477 was published on 2007-10-16 and last updated on 2026-06-16.

CVE-2007-5477

CVE-2007-5477 is a medium-severity vulnerability in Valve Software Half-life Dedicated Server 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% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Valve Software Half-life Dedicated Server
Published: 2007-10-16
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in auth.w in djeyl.net WebMod 0.48 Half-Life Dedicated Server plugin allows remote attackers to inject arbitrary web script or HTML via the redir parameter.

Frequently asked questions

What is CVE-2007-5477?: Cross-site scripting (XSS) vulnerability in auth.w in djeyl.net WebMod 0.48 Half-Life Dedicated Server plugin allows remote attackers to inject arbitrary web script or HTML via the redir parameter.
How severe is CVE-2007-5477?: CVE-2007-5477 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2007-5477 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5477?: CVE-2007-5477 primarily affects Valve Software Half-life Dedicated Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-5477?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-5477 published?: CVE-2007-5477 was published on 2007-10-16 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:valve_software:half-life_dedicated_server:*:*:*:*:*:*:*:*
cpe:2.3:a:valve_software:webmod_plugin:0.48:*:*:*:*:*:*:*

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