CVE-2008-4794

CVE-2008-4794 is a critical-severity vulnerability in Opera with a CVSS 2.0 base score of 9.3. 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-20.

Key facts

• Severity: Critical (CVSS 2.0 base score 9.3)
• EPSS exploit prediction: 5% (90th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-20
• Affected product: Opera
• Published: 2008-10-30
• Last modified: 2026-06-16

Description

Opera before 9.62 allows remote attackers to execute arbitrary commands via the History Search results page, a different vulnerability than CVE-2008-4696.

Frequently asked questions

What is CVE-2008-4794?

Opera before 9.62 allows remote attackers to execute arbitrary commands via the History Search results page, a different vulnerability than CVE-2008-4696.

How severe is CVE-2008-4794?

CVE-2008-4794 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2008-4794 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4794?

CVE-2008-4794 primarily affects Opera. In total, 73 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-4794?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2008-4794 published?

CVE-2008-4794 was published on 2008-10-30 and last updated on 2026-06-16.

References

• http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00012.html
• http://secunia.com/advisories/32538
• http://security.gentoo.org/glsa/glsa-200811-01.xml
• http://www.opera.com/support/search/view/906/
• http://www.securityfocus.com/bid/31991
• http://www.securitytracker.com/id?1021128
• https://exchange.xforce.ibmcloud.com/vulnerabilities/46219

Affected products (73)

• cpe:2.3:a:opera:opera:*:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:5..10:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:5.0:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:5.1:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:5.2:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:5.3:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:5.4:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:5.5:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:5.6:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:5.7:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:5.8:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:5.9:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:5.11:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:5.12:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:6:beta_1:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:6.0:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:6.01:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:6.02:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:6.03:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:6.04:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:6.05:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:6.06:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:7:beta_1:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:7:beta_1.2:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:7.0:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:7.0:beta_2:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:7.01:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:7.02:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:7.03:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:7.10:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:7.11:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:7.20:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:7.20:beta7:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:7.21:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:7.22:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:7.23:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:7.50:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:7.50:beta_1:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:7.51:*:*:*:*:*:*:*
• cpe:2.3:a:opera:opera:7.52:*:*:*:*:*:*:*

More vulnerabilities in Opera

• CVE-2008-4293 — Critical (CVSS 10.0): Unspecified vulnerability in Opera before 9.52 on Windows, when registered as a protocol handler, allows remote…
• CVE-2008-3079 — Critical (CVSS 10.0): Unspecified vulnerability in Opera before 9.51 on Windows allows attackers to execute arbitrary code via unknown…
• CVE-2008-5679 — Critical (CVSS 9.3): The HTML parsing engine in Opera before 9.63 allows remote attackers to execute arbitrary code via crafted web pages…
• CVE-2008-5178 — Critical (CVSS 9.3): Heap-based buffer overflow in Opera 9.62 on Windows allows remote attackers to execute arbitrary code via a long…
• CVE-2008-4695 — Critical (CVSS 9.3): Opera before 9.60 allows remote attackers to obtain sensitive information and have unspecified other impact by…
• CVE-2008-1761 — Critical (CVSS 9.3): Opera before 9.27 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via…

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