CVE-2017-11503

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

2.40% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 82.8% 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

2017-07-20 23:00Z9 YR AGO

Last updated

2024-08-05 18:12Z2 YR AGO

Reserved

2017-07-20

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

bc02415ba3abfd0ef406759ca4f971ef5cbae21f69a47faaf8bb828ce990e16b

• www.securityfocus.com99293http://www.securityfocus.com/bid/99293/vdb-entryx_refsource_BID
• packetstormsecurity.comhttps://packetstormsecurity.com/files/143138/phpmailer-xss.txtx_refsource_MISC
• cxsecurity.comhttps://cxsecurity.com/issue/WLB-2017060181x_refsource_MISC
• www.securitytracker.com1039026http://www.securitytracker.com/id/1039026vdb-entryx_refsource_SECTRACK