CVE-2017-16781

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

1.58% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 73.8% 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

2017-11-10 23:00Z8 YR AGO

Last updated

2024-08-05 20:35Z2 YR AGO

Reserved

2017-11-10

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

408f94ffc18c37f1f4c3fd9e2c2a93b6e003fa12e48c26aafc9002c0e5501c30

• blog.mybb.comhttps://blog.mybb.com/2017/11/07/mybb-1-8-13-released-security-maintenance-release/x_refsource_CONFIRM
• www.exploit-db.com43137https://www.exploit-db.com/exploits/43137/exploitx_refsource_EXPLOIT-DB