How severe is CVE-2021-24977?

CVE-2021-24977 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-24977 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24977?

CVE-2021-24977 affects Dineshkarki Use Any Font. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24977?

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

When was CVE-2021-24977 published?

CVE-2021-24977 was published on 2022-02-28 and last updated on 2026-06-17.

CVE-2021-24977

CVE-2021-24977 is a medium-severity vulnerability in Dineshkarki Use Any Font with a CVSS 3.x base score of 6.1. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 5.8
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Dineshkarki Use Any Font
Published: 2022-02-28
Last modified: 2026-06-17

Description

The Use Any Font | Custom Font Uploader WordPress plugin before 6.2.1 does not have any authorisation checks when assigning a font, allowing unauthenticated users to sent arbitrary CSS which will then be processed by the frontend for all users. Due to the lack of sanitisation and escaping in the backend, it could also lead to Stored XSS issues

Frequently asked questions

What is CVE-2021-24977?: The Use Any Font | Custom Font Uploader WordPress plugin before 6.2.1 does not have any authorisation checks when assigning a font, allowing unauthenticated users to sent arbitrary CSS which will then be processed by the frontend for all users. Due to the lack of sanitisation and escaping in the backend, it could also lead to Stored XSS issues
How severe is CVE-2021-24977?: CVE-2021-24977 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24977 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24977?: CVE-2021-24977 affects Dineshkarki Use Any Font. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24977?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24977 published?: CVE-2021-24977 was published on 2022-02-28 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/739831e3-cdfb-4a22-9abf-6c594d7e3d75

Affected products (1)

cpe:2.3:a:dineshkarki:use_any_font:*:*:*:*:*:wordpress:*:*

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