Moderate severityOSV Advisory· Published Dec 15, 2025· Updated Dec 16, 2025
CVE-2025-66843
CVE-2025-66843
Description
grav before v1.7.49.5 has a Stored Cross-Site Scripting (Stored XSS) vulnerability in the page editing functionality. An authenticated low-privileged user with permission to edit content can inject malicious JavaScript payloads into editable fields. The payload is stored on the server and later executed when any other user views or edits the affected page.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
getgrav/gravPackagist | <= 1.7.49.5 | — |
Affected products
2Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-mh85-44c2-3m97ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-66843ghsaADVISORY
- github.com/Yohane-Mashiro/grav_cve/issues/1ghsaWEB
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