CVE-2010-1125

CVE-2010-1125 is a medium-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 5.8. 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-200.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.8)
• EPSS exploit prediction: 2% (79th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-200
• Affected product: Mozilla Firefox
• Published: 2010-03-26
• Last modified: 2026-06-16

Description

The JavaScript implementation in Mozilla Firefox 3.x before 3.5.10 and 3.6.x before 3.6.4, and SeaMonkey before 2.0.5, allows remote attackers to send selected keystrokes to a form field in a hidden frame, instead of the intended form field in a visible frame, via certain calls to the focus method.

Frequently asked questions

What is CVE-2010-1125?

The JavaScript implementation in Mozilla Firefox 3.x before 3.5.10 and 3.6.x before 3.6.4, and SeaMonkey before 2.0.5, allows remote attackers to send selected keystrokes to a form field in a hidden frame, instead of the intended form field in a visible frame, via certain calls to the focus method.

How severe is CVE-2010-1125?

CVE-2010-1125 has a CVSS 2.0 base score of 5.8, rated medium severity.

Is CVE-2010-1125 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-1125?

CVE-2010-1125 primarily affects Mozilla Firefox. In total, 76 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-1125?

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

When was CVE-2010-1125 published?

CVE-2010-1125 was published on 2010-03-26 and last updated on 2026-06-16.

References

• http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043369.html
• http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043405.html
• http://lists.opensuse.org/opensuse-security-announce/2010-07/msg00005.html
• http://secunia.com/advisories/40326
• http://secunia.com/advisories/40401
• http://secunia.com/advisories/40481
• http://support.avaya.com/css/P8/documents/100091069
• http://ubuntu.com/usn/usn-930-1
• http://www.mandriva.com/security/advisories?name=MDVSA-2010:125
• http://www.mozilla.org/security/announce/2010/mfsa2010-31.html
• http://www.redhat.com/support/errata/RHSA-2010-0500.html
• http://www.redhat.com/support/errata/RHSA-2010-0501.html
• http://www.securityfocus.com/archive/1/510070/100/0/threaded
• http://www.securitytracker.com/id?1024138
• http://www.ubuntu.com/usn/usn-930-2
• http://www.vupen.com/english/advisories/2010/1551
• http://www.vupen.com/english/advisories/2010/1557
• http://www.vupen.com/english/advisories/2010/1592
• http://www.vupen.com/english/advisories/2010/1640
• http://www.vupen.com/english/advisories/2010/1773
• https://bugzilla.mozilla.org/show_bug.cgi?id=552255
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10386
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13962

Affected products (76)

• cpe:2.3:a:mozilla:firefox:3.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.9:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.10:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.11:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.12:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.13:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.14:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.15:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.5.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.5.3:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.5.4:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.5.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.5.6:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.5.7:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.5.9:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.6:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.6.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.6.3:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0:alpha:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0:beta:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.8:*:*:*:*:*:*:*

More vulnerabilities in Mozilla Firefox

• CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
• CVE-2026-4692 — Critical (CVSS 10.0): Sandbox escape in the Responsive Design Mode component. This vulnerability was fixed in Firefox 149, Firefox ESR…
• CVE-2026-4689 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was…
• CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
• CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
• CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…

All CVEs affecting Mozilla Firefox →

Other CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities

• CVE-2026-27604 — Critical (CVSS 10.0): FOSSBilling is a free, open-source billing and client management system. Starting in version 0.5.4 and prior to version…
• CVE-2026-40965 — Critical (CVSS 10.0): Cloud Foundry UAA versions v76.12.0 through v78.12.0 are vulnerable to a private key exposure. The server contains a…
• CVE-2026-42826 — Critical (CVSS 10.0): Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose…
• CVE-2025-29270 — Critical (CVSS 10.0): Incorrect access control in the realtime.cgi endpoint of Deep Sea Electronics devices DSE855 v1.1.0 to v1.1.26 allows…
• CVE-2025-61481 — Critical (CVSS 10.0): An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by…
• CVE-2025-53624 — Critical (CVSS 10.0): The Docusaurus gists plugin adds a page to your Docusaurus instance, displaying all public gists of a GitHub user.…

Browse all CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities →