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Description

An authenticated attacker can store a crafted tag value in _user_tags and trigger JavaScript execution when a victim opens the list/report view where tags are rendered. The vulnerable renderer interpolates tag content into HTML attributes and element content without escaping. This issue affects Frappe: 16.10.10.

PUBLISHED Reserved 2026-03-06 | Published 2026-04-22 | Updated 2026-04-22 | Assigner Fluid Attacks




MEDIUM: 4.6CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Product status

Default status
unaffected

16.10.10
affected

Credits

Fluid Attacks' AI SAST Scanner finder

Oscar Uribe finder

References

fluidattacks.com/es/advisories/silvio exploit

fluidattacks.com/es/advisories/silvio third-party-advisory

github.com/frappe/frappe product

cve.org (CVE-2026-3673)

nvd.nist.gov (CVE-2026-3673)

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