Mozilla Firefox up to 144 Security authentication bypass

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Mozilla Firefox up to 144. The affected element is an unknown function of the component Security Component. The manipulation results in Remote Code Execution. This vulnerability is known as CVE-2025-13018. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Mozilla Firefox up to 144. Affected is an unknown functionality of the component Security Component. The manipulation with an unknown input leads to a remote code execution vulnerability. CWE is classifying the issue as CWE-288. A product requires authentication, but the product has an alternate path or channel that does not require authentication. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5.

The advisory is shared for download at bugzilla.mozilla.org. This vulnerability is traded as CVE-2025-13018 since 11/11/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/12/2026).

The vulnerability scanner Nessus provides a plugin with the ID 275175 (RHEL 9 : firefox (RHSA-2025:21121)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 145 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (275175) and CERT Bund (WID-SEC-2025-2566). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • RESF Rocky Linux
  • IGEL OS
  • Mozilla Firefox ESR
  • Mozilla Firefox
  • Mozilla Thunderbird

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authentication bypass
CWE: CWE-288 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
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Nessus ID: 275175
Nessus Name: RHEL 9 : firefox (RHSA-2025:21121)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Firefox 145

Timelineinfo

11/11/2025 Advisory disclosed
11/11/2025 +0 days CVE reserved
11/11/2025 +0 days VulDB entry created
06/12/2026 +213 days VulDB entry last update

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: bugzilla.mozilla.org
Status: Confirmed

CVE: CVE-2025-13018 (🔒)
GCVE (CVE): GCVE-0-2025-13018
GCVE (VulDB): GCVE-100-331920
CERT Bund: WID-SEC-2025-2566 - Mozilla Firefox und Firefox ESR: Mehrere Schwachstellen

Entryinfo

Created: 11/11/2025 18:57
Updated: 06/12/2026 05:01
Changes: 11/11/2025 18:57 (54), 11/12/2025 16:30 (7), 11/13/2025 04:20 (2), 11/13/2025 06:14 (2), 11/14/2025 08:38 (1), 11/17/2025 21:56 (1), 11/20/2025 05:59 (1), 11/21/2025 16:45 (1), 12/01/2025 10:38 (1), 01/07/2026 04:01 (1), 06/12/2026 05:01 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

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