CVE-2021-24681 json
Duplicate Page <= 4.4.2 - Admin+ Stored Cross-Site Scripting
published 5y ago modified 4mo ago also EUVD-2021-11593
- cvss
- 4.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
The Duplicate Page WordPress plugin through 4.4.2 does not sanitise or escape the Duplicate Post Suffix settings before outputting it, which could allow high privilege users to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.
Is CVE-2021-24681 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Nuclei template Duplicate Page WordPress - Stored Cross-Site Scripting nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/9ebdd1df-1d6f-4399-8b0f-77a79f841464 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Affected products
- Unknown Duplicate Page
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/9ebdd1df-1d6f-4399-8b0f-77a79f841464
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24681
- NVD CVE-2021-24681
Fencer Intel 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.