CVE-2026-117538
REDAXO before 5.21.0 Reflected XSS via Packages API function Parameter
- State
- Published
- Severity
- 2.1 Low
- Published
- Oct 27, 2026
- Updated
- Oct 27, 2026
- Reserved
- Oct 27, 2026
Description
REDAXO before 5.21.0 contains a reflected cross-site scripting vulnerability in the backend packages API, where the function parameter is concatenated into an error message rendered without HTML escaping. Attackers can lure an authenticated backend user to a crafted link containing a valid CSRF token, executing JavaScript that performs same-origin actions or reads DOM data.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 2.1 Low | CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 4.1 Medium | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L | VulnCheck |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
coreredaxo |
|
References
- GitHub Security Advisory (GHSA-xq4j-g85q-wf97)vendor-advisory
- VulnCheck Advisory: REDAXO before 5.21.0 Reflected XSS via Packages API function Parameterthird-party-advisory
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