CVE-2026-63002
mediumREDAXO is a PHP-based content management system.
Vendor / product: Redaxo — redaxo
REDAXO is a PHP-based content management system. Prior to 5.21.2, redaxo/src/addons/mediapool/pages/sync.php inserts filenames held in $diffFiles from the media filesystem into the Mediapool Sync page without rex_escape(). An attacker who can place an unregistered file with HTML metacharacters in the media directory can execute script in the browser of a backend user with media[sync] permission when that user opens the Sync page, enabling session theft or unauthorized backend actions. This issue is fixed in version 5.21.2.
CVSS
4.8
4.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Severity source: NVD CVSS v3.1 (security-advisories@github.com)
Timeline (UTC)
Published: 2026-09-23 15:17
Modified: 2026-10-19 20:36
NVD status: Analyzed
Last synced 2 days ago
Verified against the source API 2026-10-27 06:55 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
redaxo / redaxo <5.21.2
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Patch / mitigation: https://github.com/redaxo/core/commit/2daaa3a30570bc76a82f63fd21fb8c9c2cd5dc7c
Patch / mitigation: https://github.com/redaxo/core/pull/6581
References
- https://github.com/redaxo/core/commit/2daaa3a30570bc76a82f63fd21fb8c9c2cd5dc7c security-advisories@github.com
- https://github.com/redaxo/core/pull/6581 security-advisories@github.com
- https://github.com/redaxo/core/releases/tag/5.21.2 security-advisories@github.com
- https://github.com/redaxo/core/security/advisories/GHSA-w998-qmw9-mf4m security-advisories@github.com
- https://github.com/redaxo/core/security/advisories/GHSA-w998-qmw9-mf4m 134c704f-9b21-4f2e-91b3-4a467353bcc0
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:55 UTC · record ↗