locize gettext-converter up to 1.3.2 lib/js2i18next.js js2i18next prototype pollution

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k1.47+

Summaryinfo

A vulnerability was found in locize gettext-converter up to 1.3.2 and classified as critical. This issue affects the function js2i18next of the file lib/js2i18next.js. Such manipulation leads to prototype pollution. This vulnerability is uniquely identified as CVE-2026-55451. The attack can be launched remotely. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in locize gettext-converter up to 1.3.2 and classified as critical. Affected by this issue is the function js2i18next of the file lib/js2i18next.js. The manipulation with an unknown input leads to a prototype pollution vulnerability. Using CWE to declare the problem leads to CWE-1321. The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. Impacted is confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-55451. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known. This vulnerability is assigned to T1059 by the MITRE ATT&CK project.

The exploit is available at github.com. It is declared as proof-of-concept.

Upgrading to version 1.3.3 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch df90c3b93e51faef68891d97b626544f619c5b31 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Prototype pollution
CWE: CWE-1321 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: gettext-converter 1.3.3
Patch: df90c3b93e51faef68891d97b626544f619c5b31

Timelineinfo

07/17/2026 Advisory disclosed
07/17/2026 +0 days VulDB entry created
07/17/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 15
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-55451 (🔒)
GCVE (CVE): GCVE-0-2026-55451
GCVE (VulDB): GCVE-100-379922
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/17/2026 21:43
Changes: 07/17/2026 21:43 (61)
Complete: 🔍
Submitter: wjm1
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #857257: Node.js gettext-converter 1.3.2 Prototype Pollution (by wjm1)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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