CVE-2016-5303

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.50% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 73.9% of scored records. A rank, not a probability.

NVD base score

6.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2016-12-20 22:00Z9 YR AGO

Last updated

2024-08-06 01:00Z2 YR AGO

Reserved

2016-06-06

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

defa4d200ec49148e2353170454c62320bd79ca5c74763ba1a4623fa5d6097e4

• github.comhttps://github.com/horde/horde/commit/30d5506c20d26efbb9942fbdc6f981a0bd333b97x_refsource_CONFIRM
• marc.info[horde-announce] 20160906 [SECURITY] Horde Groupware 5.2.16 (final)http://marc.info/?l=horde-announce&m=147319066126665&w=2mailing-listx_refsource_MLIST
• marc.info[horde-announce] 20160906 [SECURITY] Horde Groupware Webmail Edition 5.2.16 (final)http://marc.info/?l=horde-announce&m=147319089526753&w=2mailing-listx_refsource_MLIST
• github.comhttps://github.com/horde/horde/commit/4d8176d1e9ef5cbd2b3fcacd9b9a4c8e482fb424x_refsource_CONFIRM
• www.securityfocus.com94997http://www.securityfocus.com/bid/94997vdb-entryx_refsource_BID