How severe is CVE-2021-24894?

CVE-2021-24894 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-24894 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24894?

CVE-2021-24894 affects Implecode Reviews Plus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24894?

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

When was CVE-2021-24894 published?

CVE-2021-24894 was published on 2021-11-23 and last updated on 2026-06-17.

CVE-2021-24894

CVE-2021-24894 is a medium-severity vulnerability in Implecode Reviews Plus with a CVSS 3.x base score of 6.5. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Implecode Reviews Plus
Published: 2021-11-23
Last modified: 2026-06-17

Description

The Reviews Plus WordPress plugin before 1.2.14 does not validate the submitted rating, allowing submission of long integer, causing a Denial of Service in the review section when an authenticated user submit such rating and the reviews are set to be displayed on the post/page

Frequently asked questions

What is CVE-2021-24894?: The Reviews Plus WordPress plugin before 1.2.14 does not validate the submitted rating, allowing submission of long integer, causing a Denial of Service in the review section when an authenticated user submit such rating and the reviews are set to be displayed on the post/page
How severe is CVE-2021-24894?: CVE-2021-24894 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-24894 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24894?: CVE-2021-24894 affects Implecode Reviews Plus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24894?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24894 published?: CVE-2021-24894 was published on 2021-11-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:implecode:reviews_plus:*:*:*:*:*:wordpress:*:*

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