CVE-2021-39319 json
duoFAQ - Responsive, Flat, Simple FAQ <= 1.4.8 Reflected Cross-Site Scripting
published 2021-12-14 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-25680
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
The duoFAQ - Responsive, Flat, Simple FAQ WordPess plugin is vulnerable to Reflected Cross-Site Scripting via the msg parameter found in the ~/duogeek/duogeek-panel.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.4.8.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 20 mo ago
Exploit prediction
0.78% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 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
- duoFAQ - Responsive, Flat, Simple FAQ duoFAQ - Responsive, Flat, Simple FAQ
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wordfence.com
/vulnerability-advisories/#CVE-2021-39319
third-party-advisory
-
plugins.trac.wordpress.org
/browser/duofaq-responsive-flat-simple-faq/tags/1.4.8/duogeek/duogeek-panel.php#L388
third-party-advisory
Sources
- CVE List CVE-2021-39319
- NVD CVE-2021-39319
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.