CVE-2021-24979 json
Paid Memberships Pro < 2.6.6 - Reflected Cross-Site Scripting
published 2021-12-27 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11891
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
The Paid Memberships Pro WordPress plugin before 2.6.6 does not escape the s parameter before outputting it back in an attribute in an admin page, leading to a Reflected Cross-Site Scripting
Patch / fix
- strangerstudios paid_memberships_pro 2.6.6
Exploit prediction
1.65% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Paid Memberships Pro < 2.6.6 - Cross-Site Scripting nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/fc011990-4ec1-4553-901d-4ff1f482cb79 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- Unknown Paid Memberships Pro
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/fc011990-4ec1-4553-901d-4ff1f482cb79
exploit, patch, third-party-advisory
-
plugins.trac.wordpress.org
/changeset/2632369/paid-memberships-pro/tags/2.6.6/adminpages/discountcodes.php
patch, third-party-advisory
Sources
- CVE List CVE-2021-24979
- NVD CVE-2021-24979
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.