VulnerabilityPublished 19 Jun 2023Updated 27 May 2025

CVE-2023-32210: Mozilla Firefox · Incorrect Principal Object Ordering

Affects Mozilla FirefoxSource CVE Database V5

Not known to be exploited : upgrade to 113 soon.

Data as of 26 Oct 2026, 12:54 UTC

Severity

High

Rated High by the CNA (mozilla) · No CVSS score from NVD or the CNA

EPSS: 0.5% chance of exploitation in 30 days – higher than 45% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch: Available – fixed in 113

Exploitation evidence

Disclosed: evidence found.
CVE published 19 Jun 2023
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Upgrade Mozilla Firefox to 113.

Affected software

Product	Affected	Fixed in
Mozilla Firefox	Affected <113	Fixed in 113

AI-suggested

European organizations should prioritize updating all Firefox installations to version 113 or later, where the vulnerability has been fixed. Beyond applying the patch, organizations should implement browser usage policies that enforce automatic updates or restrict usage of outdated browser versions. Employing endpoint management solutions to monitor and enforce compliance can help ensure timely patch deployment. Additionally, organizations should consider implementing browser isolation or sandboxing technologies to limit the impact of any potential browser-based exploits. Regular security awareness training should emphasize the risks of visiting untrusted websites or clicking on suspicious links, which could be vectors for exploitation. Network-level protections, such as web filtering and intrusion detection systems, can help identify and block malicious content targeting browser vulnerabilities. Finally, organizations should maintain robust incident response plans to quickly address any suspected exploitation attempts related to browser vulnerabilities.

Description

Documents were incorrectly assuming an ordering of principal objects when ensuring we were loading an appropriately privileged principal. In certain circumstances it might have been possible to cause a document to be loaded with a higher privileged principal than intended. This vulnerability affects Firefox < 113.

Impact

For European organizations, the impact of CVE-2023-32210 could be substantial, especially for those relying heavily on Firefox as a primary web browser for daily operations. The vulnerability could enable attackers to bypass browser security boundaries, potentially leading to unauthorized access to sensitive corporate data, session hijacking, or execution of malicious code within the browser context. This could compromise confidentiality and integrity of information accessed or processed via Firefox. Organizations in sectors such as finance, healthcare, government, and critical infrastructure, where sensitive data is frequently accessed through web applications, are particularly at risk. Additionally, the vulnerability could be leveraged as a stepping stone for more complex attacks, including lateral movement within corporate networks or exfiltration of data. Given the widespread use of Firefox in Europe, including in public sector and enterprise environments, the vulnerability could affect a broad range of users and systems. The absence of known exploits in the wild reduces immediate risk but does not eliminate the threat, as attackers may develop exploits over time. Therefore, timely patching is critical to prevent potential exploitation and associated operational disruptions or data breaches.

References

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 6 Jul 2025, 03:09 UTC

Technical details

References

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