CVE-2018-5143

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

0.91% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 60.0% 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

2018-06-11 21:00Z8 YR AGO

Last updated

2024-08-05 05:26Z2 YR AGO

Reserved

2018-01-03

Assigning CNA

mozilla

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

9e4b3e3be51aacef150bf09ffa8c6d6c2347959a828754cd7a0f658f7829cc2c

• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1422643x_refsource_CONFIRM
• www.securityfocus.com103386http://www.securityfocus.com/bid/103386vdb-entryx_refsource_BID
• www.securitytracker.com1040514http://www.securitytracker.com/id/1040514vdb-entryx_refsource_SECTRACK
• usn.ubuntu.comUSN-3596-1https://usn.ubuntu.com/3596-1/vendor-advisoryx_refsource_UBUNTU
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2018-06/x_refsource_CONFIRM