CVE-2017-7840

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

1.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 65.6% 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 16:19Z2 YR AGO

Reserved

2017-04-12

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

8362ae5c2357d32d08e5d2f201d8d4a39eea17089c9edf59ea50b7ee46d99e0d

• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1366420x_refsource_CONFIRM
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2017-24/x_refsource_CONFIRM
• www.securityfocus.com101832http://www.securityfocus.com/bid/101832vdb-entryx_refsource_BID
• www.securitytracker.com1039803http://www.securitytracker.com/id/1039803vdb-entryx_refsource_SECTRACK