CVE-2026-83543 json
Greenshift < 13.2.0 - Contributor+ SSRF via get-csv-to-json REST Endpoint
published 2026-09-05 2 mo ago modified 2026-09-08 2 mo ago also EUVD-2026-71858
- cvss
- 4.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 22%
- public exploits
- 0
- none known
Summary
The Greenshift WordPress plugin before 13.2.0 does not validate a user-supplied URL before fetching it server-side, allowing users with contributor-level access and above to make the server issue requests to arbitrary hosts and read the response.
Patch / fix
- Unknown Greenshift 13.2.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/902e46ad-e577-4a3e-be19-a3bcc75ece77/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 4.1 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N |
| CNA | 3.1 | 4.1 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N |
Affected products
- Unknown Greenshift
Classification
- Weakness
-
- CWE-918 Server-Side Request Forgery
- Technology feeds
References
-
wpscan.com
/vulnerability/902e46ad-e577-4a3e-be19-a3bcc75ece77/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-83543
- NVD CVE-2026-83543
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.