CVE-2026-12323
Description
A spoofing vulnerability in Firefox's DOM Core & HTML component could allow content spoofing; fixed in Firefox 152.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
A spoofing vulnerability in Firefox's DOM Core & HTML component could allow content spoofing; fixed in Firefox 152.
Vulnerability
A spoofing issue exists in the DOM: Core & HTML component of Firefox, affecting versions prior to Firefox 152 [1]. The vulnerability allows an attacker to spoof content within the browser's DOM, potentially misleading users.
Exploitation
The exact exploitation vector is not disclosed in the available references, but the vulnerability is rated high impact [1]. An attacker would likely need to craft a malicious web page to trigger the spoofing condition, possibly requiring user interaction.
Impact
Successful exploitation could allow an attacker to spoof content in the browser, leading to user confusion or phishing attacks [1]. The impact is rated high by Mozilla.
Mitigation
The vulnerability is fixed in Firefox 152, released on June 16, 2026 [1]. No workarounds are documented; users should update to the latest version.
AI Insight generated on Jun 16, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
2- Range: <=151
- Range: <=151
Patches
0No patches discovered yet.
Vulnerability mechanics
No source-code context for this CVE — mechanics is only generated when we can read the actual fix diff. Without that, the four sections (root cause, attack vector, affected code, fix) would be speculation rather than analysis.
References
3News mentions
0No linked articles in our index yet.