Medium severity5.4OSV Advisory· Published Dec 15, 2025· Updated Jun 17, 2026
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
getgrav/gravPackagist | <= 1.7.49.5 | — |
Affected products
3Patches
Vulnerability mechanics
References
3- github.com/Yohane-Mashiro/grav_cve/issues/1nvdExploitIssue TrackingThird Party AdvisoryWEB
- github.com/advisories/GHSA-mh85-44c2-3m97ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-66843ghsaADVISORY
News mentions
0No linked articles in our index yet.