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Vulnerability details

2.1/10
CVSS 4.0
CVE-2026-115897
resolved Published 2026-10-23 Updated 2026-10-26
NVD MITRE OpenCVE
Vulnerability Data from Dependency-Track
Affected versions
Score
2.1 CVSS 4.0 NVD CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Description
Serialize JavaScript serializes JavaScript values to a superset of JSON that includes regular expressions and functions. Prior to 7.1.3, the function-source escaping logic does not neutralize a bare closing-script prefix when attacker-influenced function source text ends exactly at that prefix. Because each function body is escaped independently, a delimiter supplied by surrounding serialized output can terminate an HTML script element, and a later serialized value supplies injected markup that becomes a live element in the page. Exploitation requires control of a serialized function's source text, such as through a spoofed toString(). This issue is fixed in version 7.1.3.
Same vulnerability as
GHSA-m5mm-p8h7-m29v resolved according to EUVD-2026-109190
Analysis Read only Updated 2026-10-26
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