CVE-2023-30334

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.62% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 47.5% 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:3.1/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

2023-05-08 00:00Z3 YR AGO

Last updated

2025-01-29 20:50Z1 YR AGO

Reserved

2023-04-07

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 6.1)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses

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

Data version

5.1

Document digest

5b5e050fa0ef83933764af69a73be6eb29d14b1231933175559bbb92621ce716

• board.asm32.infohttps://board.asm32.info/thanks-to-the-hxp-ctf-challenge-several-serious-vulnerabilities-has-been-fixed.394/
• ctf.zeyu2001.comhttps://ctf.zeyu2001.com/2023/hxp-ctf/true_web_assembly
• asm32.infohttps://asm32.info/fossil/asmbb/info/7dfa4f56b473f76c
• fresh.flatassembler.nethttps://fresh.flatassembler.net/fossil/repo/fresh/info/a3caaf7ad8503348
• gist.github.comhttps://gist.github.com/zeyu2001/1985d03ff919d08a9ea79bdeb5a16949