CVE-2021-24342 json
JNews < 8.0.6 - Reflected Cross-Site Scripting (XSS)
published 2021-06-07 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11255
- cvss
- 6.1
- 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 80%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
The JNews WordPress theme before 8.0.6 did not sanitise the cat_id parameter in the POST request /?ajax-request=jnews (with action=jnews_build_mega_category_*), leading to a Reflected Cross-Site Scripting (XSS) issue.
Patch / fix
- jnews jnews 8.0.6
Exploit prediction
1.98% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template WordPress JNews Theme <8.0.6 - Cross-Site Scripting nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/415ca763-fe65-48cb-acd3-b375a400217e 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 JNews
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/415ca763-fe65-48cb-acd3-b375a400217e
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24342
- NVD CVE-2021-24342
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.