gettext-converter: Prototype pollution in js2i18next() via crafted translation keys

Impact js2i18next is vulnerable to prototype pollution. When converting translations, it splits nested keys on the key separator default and uses each segment as a dynamic object key while building the output object. A key whose segment is proto e.g. protogcPolluted causes the converter to resolv...

NPM: gettext-converter: Prototype pollution in js2i18next() via crafted translation keys

NPM: gettext-converter: Prototype pollution in js2i18next via crafted translation keys vulnerability discovered by ? in WordPress Npm gettext-converter versions 1.3.3...

@gluuten/gluuten-cli (0.9.5), @open-xchange/vite-plugin-i18next-gettext (>=0.0.1, <=0.0.4) +2 more potentially affected by CVE-2026-55451 via gettext-converter (>=1.0.3, <=1.3.2)

gettext-converter NPM version =1.0.3, =0.0.1, =7.1.0, =4.11.2, =4.18.0 Source cves: CVE-2026-55451 Source advisory: OSV:GHSA-F4JP-RW7W-CCWG...

GHSA-F4JP-RW7W-CCWG gettext-converter: Prototype pollution in js2i18next() via crafted translation keys

Impact js2i18next is vulnerable to prototype pollution. When converting translations, it splits nested keys on the key separator default and uses each segment as a dynamic object key while building the output object. A key whose segment is proto e.g. protogcPolluted causes the converter to resolv...