CVE-2026-52774 | CVSS: 6.1 | 严重级别: MEDIUM
YesWiki is a wiki system written in PHP. Prior to version 4.6.6, YesWiki's Bazar widget handler reflects the id GET parameter into HTML attributes using strip_tags() only. Because strip_tags() does not escape double quotes, an attacker can break out of the attribute value, inject an event handler such as onmouseover, and execute arbitrary JavaScript in the victim's browser. This issue is reachable without authentication. During validation, the vulnerable widget route returned the injected HTML for both /HomePage/widget?id=… and /NoSuchPage/widget?id=…, which shows that no login, no page ow
参考链接:
• https://github.com/YesWiki/yeswiki/commit/1aa2710c7505630b858f2142a65f9441bfaba2
• https://github.com/YesWiki/yeswiki/releases/tag/v4.6.6
• https://github.com/YesWiki/yeswiki/security/advisories/GHSA-r5xw-gcgw-hwp5
📌 数据来源: NVD 官方