CVE-2026-104465CWE-79cross-site-scripting

CVE-2026-104465

Medium · published October 2, 2026

CVSS v3.1
6.1
EPSS
0%
Percentile
5.9
In the wild
Unconfirmed
What it is

YesWiki before 4.6.7 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts via the field parameter of the mail handler. Attackers can craft links whose field value breaks out of the ajax-mail-form action attribute to execute JavaScript in victims' browsers.

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
5.1 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
EPSS
0.00168 · 5.9th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-10-02T16:17Z
References (3)
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-2fc6-rvp3-fgfj · [email protected]https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-reflected-xss-via-field-parameter-in-mail-handler · [email protected]https://github.com/YesWiki/yeswiki/security/advisories/GHSA-2fc6-rvp3-fgfj · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 04 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 02 OCT 11:38Z
    YesWiki before 4.6.7 Reflected XSS via field Parameter in mail Handler
    cvelistv5