How severe is CVE-2024-9021?

CVE-2024-9021 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-9021 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-9021?

CVE-2024-9021 affects Relevanssi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-9021?

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

Does CVE-2024-9021 have an EU (EUVD) identifier?

Yes. CVE-2024-9021 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49666.

When was CVE-2024-9021 published?

CVE-2024-9021 was published on 2024-10-08 and last updated on 2026-06-17.

CVE-2024-9021

CVE-2024-9021 is a medium-severity vulnerability in Relevanssi with a CVSS 3.x base score of 5.4. 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 5.4)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-49666
Weakness: CWE-79
Affected product: Relevanssi
Published: 2024-10-08
Last modified: 2026-06-17

Description

In the process of testing the Relevanssi WordPress plugin before 4.23.1, a vulnerability was found that allows you to implement Stored XSS on behalf of the Contributor+ by embedding malicious script, which entails account takeover backdoor

Frequently asked questions

What is CVE-2024-9021?: In the process of testing the Relevanssi WordPress plugin before 4.23.1, a vulnerability was found that allows you to implement Stored XSS on behalf of the Contributor+ by embedding malicious script, which entails account takeover backdoor
How severe is CVE-2024-9021?: CVE-2024-9021 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-9021 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-9021?: CVE-2024-9021 affects Relevanssi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-9021?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-9021 have an EU (EUVD) identifier?: Yes. CVE-2024-9021 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49666.
When was CVE-2024-9021 published?: CVE-2024-9021 was published on 2024-10-08 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/5f25646d-b80b-40b1-bcaf-3b860ddc4059/

Affected products (1)

cpe:2.3:a:relevanssi:relevanssi:*:*:*:*:free:wordpress:*:*

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