What is CVE-2023-6561?

CVE-2023-6561 is a medium-severity vulnerability in Fifu Featured Image From Url, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2024-01-11.

How severe is CVE-2023-6561?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Is CVE-2023-6561 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Fifu Featured Image From Url

CVE-2023-6561

The Featured Image from URL (FIFU) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the featured image alt text in all versions up to, and including, 4.5.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (36.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Fifu Featured_image_from_url
Marceljm Featured Image From Url (Fifu) — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Patch)
security@wordfence.com (Patch)
security@wordfence.com (Patch)

Frequently asked questions

What is CVE-2023-6561?: CVE-2023-6561 is a medium-severity vulnerability in Fifu Featured Image From Url, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2024-01-11.
How severe is CVE-2023-6561?: Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2023-6561 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.