Which products and versions are affected by CVE-2022-4830?

Affected: Paid Memberships Pro (Strangerstudios). The full list is in the CVE brief.

Is CVE-2022-4830 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2022-4830 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2022-4830?

Public exploit code is available.

Is there a fix for CVE-2022-4830?

Fixed versions are available, including Paid Memberships Pro 2.9.9.

How urgently should CVE-2022-4830 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2022-4830

MediumPublic exploit

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…

Published Feb 13, 2023 · Updated Oct 8, 2026 · Also known as b1b3edcf-c089-4bb8-b1e8-05e00abca1a5

Key Facts

Patch immediately

CVE-2022-4830 is a medium-severity vulnerability (CVSS 6.1 v3.1) affecting Paid Memberships Pro (Strangerstudios).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 65% probability of exploitation in the next 30 days.
Fixed versions are available, including Paid Memberships Pro 2.9.9.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

6.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS (30-day exploit likelihood)

65%

Higher than 99.2% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2022-4830 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Affected Products

3 affected entries in total

Product	Affected versions	Fixed in
Paid Memberships ProStrangerstudios	See advisory	2.9.9

Patched Releases

Paid Memberships Pro

2.9.9

Timeline

Publicly disclosed
Feb 13, 2023
Last updated
Oct 8, 2026

Weakness Type

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

1 more references in the full CVE brief

FAQ

Common Questions.

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…
Affected: Paid Memberships Pro (Strangerstudios). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Paid Memberships Pro 2.9.9.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2022-4830 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.