How severe is CVE-2021-25093?

CVE-2021-25093 has a CVSS 3.x base score of 7.5, rated high 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 none.

Is CVE-2021-25093 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25093?

CVE-2021-25093 affects Ylefebvre Link Library. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-25093?

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

When was CVE-2021-25093 published?

CVE-2021-25093 was published on 2022-02-01 and last updated on 2026-06-17.

CVE-2021-25093

CVE-2021-25093 is a high-severity vulnerability in Ylefebvre Link Library with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Ylefebvre Link Library
Published: 2022-02-01
Last modified: 2026-06-17

Description

The Link Library WordPress plugin before 7.2.8 does not have authorisation in place when deleting links, allowing unauthenticated users to delete arbitrary links via a crafted request

Frequently asked questions

What is CVE-2021-25093?: The Link Library WordPress plugin before 7.2.8 does not have authorisation in place when deleting links, allowing unauthenticated users to delete arbitrary links via a crafted request
How severe is CVE-2021-25093?: CVE-2021-25093 has a CVSS 3.x base score of 7.5, rated high 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 none.
Is CVE-2021-25093 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25093?: CVE-2021-25093 affects Ylefebvre Link Library. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25093?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-25093 published?: CVE-2021-25093 was published on 2022-02-01 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/7a7603ce-d76d-4c49-a886-67653bed8cd3

Affected products (1)

cpe:2.3:a:ylefebvre:link_library:*:*:*:*:*:wordpress:*:*

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