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UNKNOWN npm

ApostropheCMS: 2nd-order prototype pollution via PATCH leading to single-request persistent DoS

GHSA-vmg4-6gfg-83qx · CVE-2026-71553

Published · Modified

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Description

The vulnerability is a single-request persistent DoS by submitting e.g.
"PATCH /api/v1/article/" with a valid editor session and body of
{"toString.call":"x"}, overwriting the global toString function with
value x.

Fabian

References

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