Mozilla Firefox/Thunderbird/Firefox ESR NPAPI Plugin POST Request cross-site request forgery

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Mozilla Firefox, Thunderbird and Firefox ESR and classified as problematic. Affected by this issue is some unknown functionality of the component NPAPI Plugin. The manipulation as part of POST Request leads to cross-site request forgery. This vulnerability is documented as CVE-2019-11712. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Mozilla Firefox, Thunderbird and Firefox ESR (Web Browser) (the affected version unknown). It has been rated as problematic. This issue affects an unknown part of the component NPAPI Plugin. The manipulation as part of a POST Request leads to a cross-site request forgery vulnerability. Using CWE to declare the problem leads to CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. Impacted is integrity. The summary by CVE is:

POST requests made by NPAPI plugins, such as Flash, that receive a status 308 redirect response can bypass CORS requirements. This can allow an attacker to perform Cross-Site Request Forgery (CSRF) attacks. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.

The weakness was released 07/23/2019 (Website). It is possible to read the advisory at security.gentoo.org. The identification of this vulnerability is CVE-2019-11712 since 05/03/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-138488, VDB-138489, VDB-138490 and VDB-138492. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/03/2019 🔍
07/23/2019 +81 days 🔍
07/23/2019 +0 days 🔍
11/26/2025 +2318 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: DLA 1869-1
Status: Confirmed

CVE: CVE-2019-11712 (🔍)
GCVE (CVE): GCVE-0-2019-11712
GCVE (VulDB): GCVE-100-138491
See also: 🔍

Entryinfo

Created: 07/23/2019 21:40
Updated: 11/26/2025 10:24
Changes: 07/23/2019 21:40 (57), 07/10/2020 07:13 (1), 11/06/2023 09:08 (4), 11/26/2025 10:24 (17)
Complete: 🔍
Cache ID: 216::103

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