CVE-2018-1521

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

0.63% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 47.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/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

2018-07-10 15:00Z8 YR AGO

Last updated

2024-09-16 19:10Z1 YR AGO

Reserved

2017-12-13

Assigning CNA

ibm

Record state

PUBLISHED

Severity

Medium (CVSS 5.4)

CNA CVSS vector

CVSS:3.0/A:N/AC:L/AV:N/C:L/I:L/PR:L/S:C/UI:R/E:H/RC:C/RL:O

Weaknesses

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

Data version

5.1

Document digest

143b2d7a1db4e86d2036ded65f7723ea7a5e2f7481a78a5768df396949374816

• exchange.xforce.ibmcloud.comibm-rtc-cve20181521-xss(141802)https://exchange.xforce.ibmcloud.com/vulnerabilities/141802vdb-entryx_refsource_XF
• www.ibm.comhttps://www.ibm.com/support/docview.wss?uid=ibm10716507x_refsource_CONFIRM