CVE-2026-116823: medium-severity vulnerability in yeswiki
YesWiki before 4.7.0 Reflected XSS via BazarField $_REQUEST Fallback
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.3epss 0.2%
YesWiki before 4.7.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject JavaScript by supplying query parameters matching missing Bazar field names. Attackers can craft links where BazarField::getValue() falls back to unsanitized $_REQUEST values rendered via Twig |raw templates, performing same-origin authenticated actions in victims' sessions.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Affected products
YesWiki · yeswikiRelated CVEs — yeswiki
In the same product, most dangerous first.
CVE-2025-31131HIGHPath Traversal allowing arbitrary read of files in YeswikiEPSS 5.6%CVE-2026-46670CRITICALYesWiki: Unauthenticated SQL InjectionEPSS 2.0%CVE-2025-46347MEDIUMYesWiki Remote Code Execution via Arbitrary PHP File Write and ExecutionEPSS 1.0%CVE-2026-52778CRITICALYesWiki has Unsafe eval() in Formula Calculator - Remote Code Execution (RCE) & Denial of Service (DoS)EPSS 0.8%CVE-2026-52762HIGHYesWiki: Authenticated (Admin) Server-Side Template Injection to Remote Code Execution via Bazar Semantic TemplatesEPSS 0.8%CVE-2025-46348CRITICALYesWiki Vulnerable to Unauthenticated Site Backup Creation and DownloadEPSS 0.7%