CVE-2026-116824 YesWiki before 4.7.0 Stored XSS via Referer Header in referrers_sites Handler
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-116824?
CVE-2026-116824 is a medium-severity vulnerability in yeswiki, published on 26 Oct 2026.
Official description
YesWiki before 4.7.0 contains a stored cross-site scripting vulnerability in handlers/page/referrers_sites.php that allows unauthenticated attackers to inject scripts via crafted Referer headers. Attackers can send a Referer hostname containing HTML metacharacters that renders unescaped, executing JavaScript for any referrer-sites page visitor to perform same-origin authenticated actions.
Weakness: CWE-79
Which versions are affected by CVE-2026-116824?
How do I fix CVE-2026-116824?
No fix has been published for CVE-2026-116824 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-116824 being exploited?
There is no known exploitation of CVE-2026-116824 in the wild and no public exploit code.
Sources
Also known as GHSA-wh6h-5cwg-jvgh, GHSA-xcwg-2pj5-3qm4.