How severe is CVE-2021-24677?

CVE-2021-24677 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-24677 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24677?

CVE-2021-24677 affects Find My Blocks Project Find My Blocks. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24677?

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

When was CVE-2021-24677 published?

CVE-2021-24677 was published on 2021-10-18 and last updated on 2026-06-17.

CVE-2021-24677

CVE-2021-24677 is a medium-severity vulnerability in Find My Blocks Project Find My Blocks with a CVSS 3.x base score of 5.3. 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 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Find My Blocks Project Find My Blocks
Published: 2021-10-18
Last modified: 2026-06-17

Description

The Find My Blocks WordPress plugin before 3.4.0 does not have authorisation checks in its REST API, which could allow unauthenticated users to enumerate private posts' titles.

Frequently asked questions

What is CVE-2021-24677?: The Find My Blocks WordPress plugin before 3.4.0 does not have authorisation checks in its REST API, which could allow unauthenticated users to enumerate private posts' titles.
How severe is CVE-2021-24677?: CVE-2021-24677 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-24677 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24677?: CVE-2021-24677 affects Find My Blocks Project Find My Blocks. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24677?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24677 published?: CVE-2021-24677 was published on 2021-10-18 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/40c7e424-9a97-41ab-a312-2a06b607609a

Affected products (1)

cpe:2.3:a:find_my_blocks_project:find_my_blocks:*:*:*:*:*:wordpress:*:*

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