How severe is CVE-2021-24567?

CVE-2021-24567 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-2021-24567 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24567?

CVE-2021-24567 affects Nickmomrik Simple Post. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24567?

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

Does CVE-2021-24567 have an EU (EUVD) identifier?

Yes. CVE-2021-24567 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-11479.

When was CVE-2021-24567 published?

CVE-2021-24567 was published on 2024-01-16 and last updated on 2026-06-17.

CVE-2021-24567

CVE-2021-24567 is a medium-severity vulnerability in Nickmomrik Simple Post 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: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2021-11479
Weakness: CWE-79
Affected product: Nickmomrik Simple Post
Published: 2024-01-16
Last modified: 2026-06-17

Description

The Simple Post WordPress plugin through 1.1 does not sanitize user input when an authenticated user Text value, then it does not escape these values when outputting to the browser leading to an Authenticated Stored XSS Cross-Site Scripting issue.

Frequently asked questions

What is CVE-2021-24567?: The Simple Post WordPress plugin through 1.1 does not sanitize user input when an authenticated user Text value, then it does not escape these values when outputting to the browser leading to an Authenticated Stored XSS Cross-Site Scripting issue.
How severe is CVE-2021-24567?: CVE-2021-24567 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-2021-24567 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24567?: CVE-2021-24567 affects Nickmomrik Simple Post. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24567?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2021-24567 have an EU (EUVD) identifier?: Yes. CVE-2021-24567 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-11479.
When was CVE-2021-24567 published?: CVE-2021-24567 was published on 2024-01-16 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/a3cd3115-2181-4e14-8b39-4de096433847/

Affected products (1)

cpe:2.3:a:nickmomrik:simple_post:*:*:*:*:*:wordpress:*:*

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