Medium severity5.4NVD Advisory· Published Nov 11, 2026
CVE-2026-126778
CVE-2026-126778
Description
Wallos 4.4.0 before 5.10.3 contains a stored cross-site scripting vulnerability in endpoints/cronjobs/sendnotifications.php that allows registered users to inject scripts via unescaped notification service responses. Attackers can point their Mattermost webhook URL or Web Push endpoint at a controlled server returning JavaScript, which executes in the administrator's session when sendnotifications.php is opened.
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Affected products
1Patches
Vulnerability mechanics
References
5- github.com/ellite/Wallos/blob/v4.4.0/endpoints/cronjobs/sendnotifications.phpnvd
- github.com/ellite/Wallos/blob/v5.10.2/endpoints/cronjobs/sendnotifications.phpnvd
- github.com/ellite/Wallos/commit/693d8676f3e5b0c85e120fc5958ccb82f37ee89cnvd
- github.com/ellite/Wallos/releases/tag/v5.10.3nvd
- www.vulncheck.com/advisories/wallos-4.4.0-before-5.10.3-stored-xss-via-sendnotifications-phpnvd
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