CVE-2026-12322: Vulnerability in Mozilla Firefox
CVE-2026-12322 is a clickjacking vulnerability in the Widget: Gtk component of Mozilla Firefox. This issue was addressed and fixed in Firefox version 152. The vulnerability is part of a broader set of security fixes released in Firefox 152, which includes multiple high-impact memory safety bugs and sandbox escapes. No known exploits in the wild have been reported for this specific issue. Users are advised to update to Firefox 152 to mitigate this vulnerability.
AI Analysis
Technical Summary
CVE-2026-12322 is a clickjacking vulnerability affecting the Widget: Gtk component in Mozilla Firefox. Clickjacking vulnerabilities allow attackers to trick users into clicking on hidden or disguised UI elements, potentially leading to unintended actions. This vulnerability was fixed in Firefox 152 as part of a comprehensive security update that addressed numerous other critical and moderate security issues. The vendor advisory confirms the fix and categorizes the impact of this specific issue as low relative to other concurrent vulnerabilities.
Potential Impact
The vulnerability could allow an attacker to perform clickjacking attacks via the Gtk widget component, potentially causing users to unknowingly trigger actions within Firefox. However, the impact is rated low compared to other vulnerabilities fixed in the same release. There are no reports of exploitation in the wild for this issue. The fix in Firefox 152 eliminates the risk posed by this vulnerability.
Mitigation Recommendations
A security update fixing this vulnerability is available in Mozilla Firefox version 152. Users and administrators should upgrade to Firefox 152 or later to remediate this issue. Since the vendor advisory confirms the fix, no additional mitigation steps are required beyond applying the official update.
CVE-2026-12322: Vulnerability in Mozilla Firefox
Description
CVE-2026-12322 is a clickjacking vulnerability in the Widget: Gtk component of Mozilla Firefox. This issue was addressed and fixed in Firefox version 152. The vulnerability is part of a broader set of security fixes released in Firefox 152, which includes multiple high-impact memory safety bugs and sandbox escapes. No known exploits in the wild have been reported for this specific issue. Users are advised to update to Firefox 152 to mitigate this vulnerability.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-12322 is a clickjacking vulnerability affecting the Widget: Gtk component in Mozilla Firefox. Clickjacking vulnerabilities allow attackers to trick users into clicking on hidden or disguised UI elements, potentially leading to unintended actions. This vulnerability was fixed in Firefox 152 as part of a comprehensive security update that addressed numerous other critical and moderate security issues. The vendor advisory confirms the fix and categorizes the impact of this specific issue as low relative to other concurrent vulnerabilities.
Potential Impact
The vulnerability could allow an attacker to perform clickjacking attacks via the Gtk widget component, potentially causing users to unknowingly trigger actions within Firefox. However, the impact is rated low compared to other vulnerabilities fixed in the same release. There are no reports of exploitation in the wild for this issue. The fix in Firefox 152 eliminates the risk posed by this vulnerability.
Mitigation Recommendations
A security update fixing this vulnerability is available in Mozilla Firefox version 152. Users and administrators should upgrade to Firefox 152 or later to remediate this issue. Since the vendor advisory confirms the fix, no additional mitigation steps are required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-06-15T15:08:19.905Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-57/","vendor":"Mozilla"}]
Threat ID: 6a314c830b89be6888b4cdce
Added to database: 6/16/2026, 1:15:47 PM
Last enriched: 6/16/2026, 1:32:02 PM
Last updated: 6/16/2026, 5:40:19 PM
Views: 3
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