CVE-2011-2628

NONECVSS 0.0Weaponized

0.0

Opera before 11.11 does not properly implement FRAMESET elements, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to page unload.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 93.4%
KEV: Not listed

Published

July 1, 2011

Last Modified

April 29, 2026

References (10)

cve@mitrehttp://securityreason.com/securityalert/8425
cve@mitrehttp://www.opera.com/docs/changelogs/mac/1111/
cve@mitrehttp://www.opera.com/docs/changelogs/unix/1111/
cve@mitrehttp://www.opera.com/docs/changelogs/windows/1111/
cve@mitrehttp://www.opera.com/support/kb/view/992/
af854a3a-2127-422b-91ae-364da2661108http://securityreason.com/securityalert/8425
af854a3a-2127-422b-91ae-364da2661108http://www.opera.com/docs/changelogs/mac/1111/
af854a3a-2127-422b-91ae-364da2661108http://www.opera.com/docs/changelogs/unix/1111/
af854a3a-2127-422b-91ae-364da2661108http://www.opera.com/docs/changelogs/windows/1111/
af854a3a-2127-422b-91ae-364da2661108http://www.opera.com/support/kb/view/992/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-20Improper Input Validation

Data Freshness Timeline

(refreshed 10× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 06:08 UTCepss_batch
2026-06-05 06:07 UTCepss_batch
2026-06-04 13:09 UTCepss_batch
2026-06-04 13:09 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
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2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-29 07:36 UTCEG score recompute
2026-05-29 07:36 UTCGHSA enrichment
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:41 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-17936✓ verified
First seen Oct 6, 2011
Opera 10/11 - Bad Nesting with Frameset Tag Memory Corruption (Metasploit)
Open source ↗

Frequently asked(4)

What is CVE-2011-2628?

CVE-2011-2628 is a none vulnerability published on July 1, 2011. Opera before 11.11 does not properly implement FRAMESET elements, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to page unload.

When was CVE-2011-2628 disclosed?

CVE-2011-2628 was first published in the National Vulnerability Database on July 1, 2011, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2011-2628 actively exploited?

CVE-2011-2628 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 93.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2011-2628?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-2628, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2011-2628

📅 Published

🔄 Last Modified

🔗 References (10)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2011-2628?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (10)

Frequently asked(4)

Related CVEs(same CWE)