CVE-2026-74992 json
Kirki < 6.2.3 - Editor+ Stored XSS via Font Zip Upload
published 2026-08-20 2 mo ago modified 2026-08-26 2 mo ago also EUVD-2026-63206
- cvss
- 6.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 37%
- public exploits
- 0
- none known
Summary
The Kirki WordPress plugin before 6.2.3 does not properly validate the files contained in archives uploaded by users with the Editor role, and does not remove all unwanted files after extracting them, allowing such users to upload arbitrary files to a web accessible directory, leading to Stored XSS as well as RCE on some server configurations.
Patch / fix
- Unknown Kirki 6.2.3
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 mo ago
Exploit prediction
0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/ba981818-f4a0-444a-bf6a-e4caacc9d1aa/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 6.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Unknown Kirki
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/ba981818-f4a0-444a-bf6a-e4caacc9d1aa/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-74992
- NVD CVE-2026-74992
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.