CVE-2016-5303
Summary
| CVE | CVE-2016-5303 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-12-20 22:59:00 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| Description | Cross-site scripting (XSS) vulnerability in the Horde Text Filter API in Horde Groupware and Horde Groupware Webmail Edition before 5.2.16 allows remote attackers to inject arbitrary web script or HTML via crafted data:text/html content in a form (1) action or (2) xlink attribute. |
Risk And Classification
Primary CVSS: v3.0 6.1 MEDIUM from [email protected]
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.003550000 probability, percentile 0.578000000 (date 2026-05-11)
Problem Types: CWE-79 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 6.1 | MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| 2.0 | [email protected] | Primary | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
ChangedConfidentiality
LowIntegrity
LowAvailability
NoneCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
NoneConfidentiality
NoneIntegrity
PartialAvailability
NoneAV:N/AC:M/Au:N/C:N/I:P/A:N
NVD Known Affected Configurations (CPE 2.3)
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Horde Groupware Multiple Cross Site Scripting Vulnerabilities | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| [jan] SECURITY: Fix XSS via data:text/html content of form action and… · horde/horde@4d8176d · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Patch, Vendor Advisory |
| '[announce] [SECURITY] Horde Groupware Webmail Edition 5.2.16 (final)' - MARC | af854a3a-2127-422b-91ae-364da2661108 | marc.info | Release Notes, Third Party Advisory |
| Fix XSS with data:html links and form actions. · horde/horde@30d5506 · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Patch, Vendor Advisory |
| '[announce] [SECURITY] Horde Groupware 5.2.16 (final)' - MARC | af854a3a-2127-422b-91ae-364da2661108 | marc.info | Release Notes, Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.