EUVD-2026-89027

Serialize JavaScript: Cross-site scripting XSS via unescaped in serialized function bodies...

Serialize JavaScript: Cross-site scripting (XSS) via unescaped </script> in serialized function bodies

Impact serialize-javascript escapes its output so it is safe to embed inside a element. In 7.1.1 that guarantee does not hold for function values: a crafted function body can carry a literal, unescaped into the output, terminating the script element early so the remainder is parsed as HTML...

Cross-site Scripting (XSS)

Overview serialize-javascript is a package to serialize JavaScript to a superset of JSON that includes regular expressions and functions. Affected versions of this package are vulnerable to Cross-site Scripting XSS via a regex flaw in SCRIPTCLOSEREGEXP that allows a live tag to survive...

CVE-2026-97711

Serialize JavaScript serializes JavaScript values to a superset of JSON that includes regular expressions and functions. From 7.1.1 until 7.1.2, function values serialized by serialize-javascript are not fully protected against script-closing tags in attacker-influenced function source because...

CVE-2026-97711 Serialize JavaScript: Cross-site scripting (XSS) via unescaped </script> in serialized function bodies

Serialize JavaScript serializes JavaScript values to a superset of JSON that includes regular expressions and functions. From 7.1.1 until 7.1.2, function values serialized by serialize-javascript are not fully protected against script-closing tags in attacker-influenced function source because...

CVE-2026-97711 Serialize JavaScript: Cross-site scripting (XSS) via unescaped </script> in serialized function bodies

Serialize JavaScript serializes JavaScript values to a superset of JSON that includes regular expressions and functions. From 7.1.1 until 7.1.2, function values serialized by serialize-javascript are not fully protected against script-closing tags in attacker-influenced function source because...

CVE-2026-97711 Serialize JavaScript: Cross-site scripting (XSS) via unescaped </script> in serialized function bodies

Serialize JavaScript serializes JavaScript values to a superset of JSON that includes regular expressions and functions. From 7.1.1 until 7.1.2, function values serialized by serialize-javascript are not fully protected against script-closing tags in attacker-influenced function source because...

CVE-2026-97711: Improper Neutralization of Input During Web Page Generation

Serialize JavaScript serializes JavaScript values to a superset of JSON that includes regular expressions and functions. From 7.1.1 until 7.1.2, function values serialized by serialize-javascript are not fully protected against script-closing tags in attacker-influenced function source because...