How severe is CVE-2021-24638?

CVE-2021-24638 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2021-24638 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24638?

CVE-2021-24638 affects Ffw Omgf. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24638?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-24638 published?

CVE-2021-24638 was published on 2021-09-20 and last updated on 2026-06-17.

CVE-2021-24638

CVE-2021-24638 is a critical-severity vulnerability in Ffw Omgf with a CVSS 3.x base score of 9.1. 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-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Ffw Omgf
Published: 2021-09-20
Last modified: 2026-06-17

Description

The OMGF WordPress plugin before 4.5.4 does not escape or validate the handle parameter of the REST API, which allows unauthenticated users to perform path traversal and overwrite arbitrary CSS file with Google Fonts CSS, or download fonts uploaded on Google Fonts website.

Frequently asked questions

What is CVE-2021-24638?: The OMGF WordPress plugin before 4.5.4 does not escape or validate the handle parameter of the REST API, which allows unauthenticated users to perform path traversal and overwrite arbitrary CSS file with Google Fonts CSS, or download fonts uploaded on Google Fonts website.
How severe is CVE-2021-24638?: CVE-2021-24638 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2021-24638 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24638?: CVE-2021-24638 affects Ffw Omgf. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24638?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-24638 published?: CVE-2021-24638 was published on 2021-09-20 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/c783a746-f1fe-4d68-9d0a-477de5dbb35c

Affected products (1)

cpe:2.3:a:ffw:omgf:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Ffw Omgf

CVE-2021-24639 — High (CVSS 8.1): The OMGF WordPress plugin before 4.5.4 does not enforce path validation, authorisation and CSRF checks in the…

All CVEs affecting Ffw Omgf →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…

Browse all CWE-22 (Path Traversal) vulnerabilities →