How severe is CVE-2022-4830?

CVE-2022-4830 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-2022-4830 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 65% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-4830?

CVE-2022-4830 affects Strangerstudios Paid Memberships Pro. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-4830?

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

When was CVE-2022-4830 published?

CVE-2022-4830 was published on 2023-02-13 and last updated on 2026-06-17.

CVE-2022-4830

CVE-2022-4830 is a medium-severity vulnerability in Strangerstudios Paid Memberships Pro with a CVSS 3.x base score of 5.4. Its EPSS exploit-prediction score of 65% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 65% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Strangerstudios Paid Memberships Pro
Published: 2023-02-13
Last modified: 2026-06-17

Description

The Paid Memberships Pro WordPress plugin before 2.9.9 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.

Frequently asked questions

What is CVE-2022-4830?: The Paid Memberships Pro WordPress plugin before 2.9.9 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.
How severe is CVE-2022-4830?: CVE-2022-4830 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-2022-4830 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 65% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4830?: CVE-2022-4830 affects Strangerstudios Paid Memberships Pro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-4830?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-4830 published?: CVE-2022-4830 was published on 2023-02-13 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/ae103336-a411-4ebf-a5f0-2f35701e364c

Affected products (1)

cpe:2.3:a:strangerstudios:paid_memberships_pro:*:*:*:*:*:wordpress:*:*

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