CVE-2021-24176 json
JH 404 Logger <= 1.1 - Unauthenticated Stored Cross-Site Scripting (XSS)
published 2021-04-05 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11090
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
The JH 404 Logger WordPress plugin through 1.1 doesn't sanitise the referer and path of 404 pages, when they are output in the dashboard, which leads to executing arbitrary JavaScript code in the WordPress dashboard.
Exploit prediction
2.04% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template WordPress JH 404 Logger <=1.1 - Cross-Site Scripting nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/705bcd6e-6817-4f89-be37-901a767b0585 referenced PoC, tagged "exploit" by a source, unverified
- ganofins.com https://ganofins.com/blog/my-first-cve-2021-24176/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/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 JH 404 Logger
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/705bcd6e-6817-4f89-be37-901a767b0585
exploit, third-party-advisory
-
ganofins.com
/blog/my-first-cve-2021-24176/
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24176
- NVD CVE-2021-24176
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.