How severe is CVE-2021-24973?

CVE-2021-24973 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-24973 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24973?

CVE-2021-24973 affects Geminilabs Site Reviews. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24973?

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

When was CVE-2021-24973 published?

CVE-2021-24973 was published on 2022-01-03 and last updated on 2026-06-17.

CVE-2021-24973

CVE-2021-24973 is a medium-severity vulnerability in Geminilabs Site Reviews with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Geminilabs Site Reviews
Published: 2022-01-03
Last modified: 2026-06-17

Description

The Site Reviews WordPress plugin before 5.17.3 does not sanitise and escape the site-reviews parameter of the glsr_action AJAX action (available to unauthenticated and any authenticated users), allowing them to perform Cross-Site Scripting attacks against logged in admins viewing the Tool dashboard of the plugin

Frequently asked questions

What is CVE-2021-24973?: The Site Reviews WordPress plugin before 5.17.3 does not sanitise and escape the site-reviews parameter of the glsr_action AJAX action (available to unauthenticated and any authenticated users), allowing them to perform Cross-Site Scripting attacks against logged in admins viewing the Tool dashboard of the plugin
How severe is CVE-2021-24973?: CVE-2021-24973 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24973 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24973?: CVE-2021-24973 affects Geminilabs Site Reviews. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24973?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24973 published?: CVE-2021-24973 was published on 2022-01-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:geminilabs:site_reviews:*:*:*:*:*:wordpress:*:*

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