How severe is CVE-2023-6561?

CVE-2023-6561 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-6561 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6561?

CVE-2023-6561 affects Fifu Featured Image From Url. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-6561?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-6561 have an EU (EUVD) identifier?

Yes. CVE-2023-6561 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58790.

When was CVE-2023-6561 published?

CVE-2023-6561 was published on 2024-01-11 and last updated on 2026-06-17.

CVE-2023-6561

CVE-2023-6561 is a medium-severity vulnerability in Fifu Featured Image From Url with a CVSS 3.x base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.4)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-58790
Weakness: CWE-79
Affected product: Fifu Featured Image From Url
Published: 2024-01-11
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-6561?: CVE-2023-6561 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-6561 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6561?: CVE-2023-6561 affects Fifu Featured Image From Url. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6561?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-6561 have an EU (EUVD) identifier?: Yes. CVE-2023-6561 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58790.
When was CVE-2023-6561 published?: CVE-2023-6561 was published on 2024-01-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:fifu:featured_image_from_url:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Fifu Featured Image From Url

CVE-2024-1496 — Medium (CVSS 6.4): The Featured Image from URL (FIFU) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the…
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