How severe is CVE-2021-24492?

CVE-2021-24492 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-24492 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24492?

CVE-2021-24492 affects Handsome Testimonials & Reviews Project Handsome Testimonials & Reviews. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24492?

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-2021-24492 published?

CVE-2021-24492 was published on 2021-08-02 and last updated on 2026-06-17.

CVE-2021-24492

CVE-2021-24492 is a high-severity vulnerability in Handsome Testimonials & Reviews Project Handsome Testimonials & Reviews with a CVSS 3.x base score of 8.8. 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-89.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Handsome Testimonials & Reviews Project Handsome Testimonials & Reviews
Published: 2021-08-02
Last modified: 2026-06-17

Description

The hndtst_action_instance_callback AJAX call of the Handsome Testimonials & Reviews WordPress plugin before 2.1.1, available to any authenticated users, does not sanitise, validate or escape the hndtst_previewShortcodeInstanceId POST parameter before using it in a SQL statement, leading to an SQL Injection issue.

Frequently asked questions

What is CVE-2021-24492?: The hndtst_action_instance_callback AJAX call of the Handsome Testimonials & Reviews WordPress plugin before 2.1.1, available to any authenticated users, does not sanitise, validate or escape the hndtst_previewShortcodeInstanceId POST parameter before using it in a SQL statement, leading to an SQL Injection issue.
How severe is CVE-2021-24492?: CVE-2021-24492 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-24492 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24492?: CVE-2021-24492 affects Handsome Testimonials & Reviews Project Handsome Testimonials & Reviews. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24492?: 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-2021-24492 published?: CVE-2021-24492 was published on 2021-08-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:handsome_testimonials_\&_reviews_project:handsome_testimonials_\&_reviews:*:*:*:*:*:wordpress:*:*

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