How severe is CVE-2021-24558?

CVE-2021-24558 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-2021-24558 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24558?

CVE-2021-24558 affects 3.7designs Project Status. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24558?

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

When was CVE-2021-24558 published?

CVE-2021-24558 was published on 2021-08-23 and last updated on 2026-06-17.

CVE-2021-24558

CVE-2021-24558 is a medium-severity vulnerability in 3.7designs Project Status 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)
CVSS v2: 3.5
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: 3.7designs Project Status
Published: 2021-08-23
Last modified: 2026-06-17

Description

The pspin_duplicate_post_save_as_new_post function of the Project Status WordPress plugin through 1.6 does not sanitise, validate or escape the post GET parameter passed to it before outputting it in an error message when the related post does not exist, leading to a reflected XSS issue

Frequently asked questions

What is CVE-2021-24558?: The pspin_duplicate_post_save_as_new_post function of the Project Status WordPress plugin through 1.6 does not sanitise, validate or escape the post GET parameter passed to it before outputting it in an error message when the related post does not exist, leading to a reflected XSS issue
How severe is CVE-2021-24558?: CVE-2021-24558 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-2021-24558 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24558?: CVE-2021-24558 affects 3.7designs Project Status. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24558?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24558 published?: CVE-2021-24558 was published on 2021-08-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:3.7designs:project_status:*:*:*:*:*:wordpress:*:*

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