How severe is CVE-2021-24379?

CVE-2021-24379 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 none, integrity low, and availability none.

Is CVE-2021-24379 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24379?

CVE-2021-24379 affects Wphappycoders Comments Like Dislike. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24379?

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

When was CVE-2021-24379 published?

CVE-2021-24379 was published on 2021-06-21 and last updated on 2026-06-17.

CVE-2021-24379

CVE-2021-24379 is a medium-severity vulnerability in Wphappycoders Comments Like Dislike 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Wphappycoders Comments Like Dislike
Published: 2021-06-21
Last modified: 2026-06-17

Description

The Comments Like Dislike WordPress plugin before 1.1.4 allows users to like/dislike posted comments, however does not prevent them from replaying the AJAX request to add a like. This allows any user (even unauthenticated) to add unlimited like/dislike to any comment. The plugin appears to have some Restriction modes, such as Cookie Restriction, IP Restrictions, Logged In User Restriction, however, they do not prevent such attack as they only check client side

Frequently asked questions

What is CVE-2021-24379?: The Comments Like Dislike WordPress plugin before 1.1.4 allows users to like/dislike posted comments, however does not prevent them from replaying the AJAX request to add a like. This allows any user (even unauthenticated) to add unlimited like/dislike to any comment. The plugin appears to have some Restriction modes, such as Cookie Restriction, IP Restrictions, Logged In User Restriction, however, they do not prevent such attack as they only check client side
How severe is CVE-2021-24379?: CVE-2021-24379 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 none, integrity low, and availability none.
Is CVE-2021-24379 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24379?: CVE-2021-24379 affects Wphappycoders Comments Like Dislike. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24379?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24379 published?: CVE-2021-24379 was published on 2021-06-21 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/aae7a889-195c-45a3-bbe4-e6d4cd2d7fd9

Affected products (1)

cpe:2.3:a:wphappycoders:comments_like_dislike:*:*:*:*:*:wordpress:*:*

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