How severe is CVE-2021-24976?

CVE-2021-24976 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-2021-24976 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24976?

CVE-2021-24976 affects Wbolt Smart Seo Tool. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24976?

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

When was CVE-2021-24976 published?

CVE-2021-24976 was published on 2022-01-24 and last updated on 2026-06-17.

CVE-2021-24976

CVE-2021-24976 is a medium-severity vulnerability in Wbolt Smart Seo Tool 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: 2.6
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Wbolt Smart Seo Tool
Published: 2022-01-24
Last modified: 2026-06-17

Description

The Smart SEO Tool WordPress plugin before 3.0.6 does not sanitise and escape the search parameter before outputting it back in an attribute when the TDK optimisation setting is enabled, leading to a Reflected Cross-Site Scripting

Frequently asked questions

What is CVE-2021-24976?: The Smart SEO Tool WordPress plugin before 3.0.6 does not sanitise and escape the search parameter before outputting it back in an attribute when the TDK optimisation setting is enabled, leading to a Reflected Cross-Site Scripting
How severe is CVE-2021-24976?: CVE-2021-24976 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-2021-24976 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24976?: CVE-2021-24976 affects Wbolt Smart Seo Tool. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24976?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24976 published?: CVE-2021-24976 was published on 2022-01-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wbolt:smart_seo_tool:*:*:*:*:*:wordpress:*:*

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