All vulnerabilities
CVE-2026-104473GHSA-5724-x3rh-5qqq

YesWiki before 4.5.3 Multiple Reflected XSS via BazaR and listpages

YesWiki yeswikiPackagistLibraries & packages
Open in ThreatlineRecord JSON
CVSS
5.1Medium
ExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 6 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.20%Chance of exploitation activity in the next 30 days, higher than 9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in4.5.3Also 4.6.0CVE List
Published2 Oct 2026Updated 8 Oct 2026CVE List

What fixes it

  • 4.5.3yeswikiCVE List
  • 4.6.0yeswiki/yeswiki, PackagistOSVcomposer require "yeswiki/yeswiki:^4.6.0"

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

YesWiki before 4.5.3 contains multiple reflected cross-site scripting vulnerabilities that allow remote attackers to inject JavaScript through unsanitized parameters such as incomingurl, id, file, tags, and template. Attackers can lure authenticated or unauthenticated users into opening crafted links to hijack sessions and trigger authenticated requests against backend functionality.

Text from CVE List

Affected versions 28

  • yeswikiaffected: all versions before 4.5.3CVE List
  • yeswikiunaffected: 4.5.3CVE List
  • yeswiki/yeswiki, Packagistfrom first release, fixed in 4.6.0OSV
  • yeswiki/yeswiki, Packagist4.2.3OSV
  • yeswiki/yeswiki, Packagistv4.1.0OSV
  • yeswiki/yeswiki, Packagistv4.1.1OSV
  • yeswiki/yeswiki, Packagistv4.1.2OSV
  • yeswiki/yeswiki, Packagistv4.1.3OSV
  • yeswiki/yeswiki, Packagistv4.1.4OSV
  • yeswiki/yeswiki, Packagistv4.1.5OSV
  • yeswiki/yeswiki, Packagistv4.2.0OSV
  • yeswiki/yeswiki, Packagistv4.2.1OSV
  • yeswiki/yeswiki, Packagistv4.2.2OSV
  • yeswiki/yeswiki, Packagistv4.2.4OSV
  • yeswiki/yeswiki, Packagistv4.3OSV
  • yeswiki/yeswiki, Packagistv4.3.1OSV
  • yeswiki/yeswiki, Packagistv4.4.0OSV
  • yeswiki/yeswiki, Packagistv4.4.1OSV
  • yeswiki/yeswiki, Packagistv4.4.2OSV
  • yeswiki/yeswiki, Packagistv4.4.3OSV
  • yeswiki/yeswiki, Packagistv4.4.4OSV
  • yeswiki/yeswiki, Packagistv4.4.5OSV
  • yeswiki/yeswiki, Packagistv4.5.0OSV
  • yeswiki/yeswiki, Packagistv4.5.1OSV
  • yeswiki/yeswiki, Packagistv4.5.2OSV
  • yeswiki/yeswiki, Packagistv4.5.3OSV
  • yeswiki/yeswiki, Packagistv4.5.4OSV
  • yeswiki/yeswiki, Packagistv4.5.5OSV

References 2