CVE-2023-4455

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

0.32% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 24.8% of scored records. A rank, not a probability.

NVD base score

6.5 (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:U/C:N/I:H/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

2023-08-21 09:27Z3 YR AGO

Last updated

2024-10-03 14:03Z2 YR AGO

Reserved

2023-08-21

Assigning CNA

@huntrdev

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Weaknesses

• CWE-352Cross-Site Request Forgery (CSRF)Compound

Data version

5.1

Document digest

48031da83796f06a6638c8bcce145524127d7fcd07add40bcbba38ae294e89a0

• huntr.devhttps://huntr.dev/bounties/5ab1b206-5fe8-4737-b275-d705e76f193a
• github.comhttps://github.com/wallabag/wallabag/commit/ffcc5c9062fcc8cd922d7d6d65edbe5efae96806