CVE-2008-4696

CVE-2008-4696 is a medium-severity vulnerability in Opera with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 46% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.3)
• EPSS exploit prediction: 46% (99th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-79
• Affected product: Opera
• Published: 2008-10-23
• Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in Opera.dll in Opera before 9.61 allows remote attackers to inject arbitrary web script or HTML via the anchor identifier (aka the "optional fragment"), which is not properly escaped before storage in the History Search database (aka md.dat).

Frequently asked questions

What is CVE-2008-4696?

Cross-site scripting (XSS) vulnerability in Opera.dll in Opera before 9.61 allows remote attackers to inject arbitrary web script or HTML via the anchor identifier (aka the "optional fragment"), which is not properly escaped before storage in the History Search database (aka md.dat).

How severe is CVE-2008-4696?

CVE-2008-4696 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2008-4696 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 46% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4696?

CVE-2008-4696 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-2008-4696?

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

When was CVE-2008-4696 published?

CVE-2008-4696 was published on 2008-10-23 and last updated on 2026-06-16.

References

• http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00009.html
• http://secunia.com/advisories/32299
• http://secunia.com/advisories/32394
• http://secunia.com/advisories/32538
• http://security.gentoo.org/glsa/glsa-200811-01.xml
• http://securityreason.com/securityalert/4504
• http://www.openwall.com/lists/oss-security/2008/10/21/6
• http://www.openwall.com/lists/oss-security/2008/10/22/5
• http://www.opera.com/docs/changelogs/freebsd/961/
• http://www.opera.com/docs/changelogs/linux/961/
• http://www.opera.com/docs/changelogs/mac/961/
• http://www.opera.com/docs/changelogs/solaris/961/
• http://www.opera.com/docs/changelogs/windows/961/
• http://www.opera.com/support/search/view/903/
• http://www.security-assessment.com/files/advisories/2008-10-22_Opera_Stored_Cross_Site_Scripting.pdf
• http://www.securityfocus.com/archive/1/497646/100/0/threaded
• http://www.securityfocus.com/bid/31869
• http://www.vupen.com/english/advisories/2008/2873
• https://exchange.xforce.ibmcloud.com/vulnerabilities/46003
• https://www.exploit-db.com/exploits/6801

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-2008-4794 — Critical (CVSS 9.3): Opera before 9.62 allows remote attackers to execute arbitrary commands via the History Search results page, a…
• CVE-2008-4695 — Critical (CVSS 9.3): Opera before 9.60 allows remote attackers to obtain sensitive information and have unspecified other impact by…

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