CVE-2019-20203 json
The Authorized Addresses feature in the Postie plugin 1.9.40 for WordPress allows remote attackers to publish posts by spoofing the From in…
published 2020-01-01 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-10757
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
Summary
The Authorized Addresses feature in the Postie plugin 1.9.40 for WordPress allows remote attackers to publish posts by spoofing the From information of an email message.
Exploit prediction
2.10% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/V1n1v131r4/Exploiting-Postie-WordPress-Plugin-/blob/master/README.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-290 Authentication Bypass by Spoofing
- Technology feeds
References
-
github.com
/V1n1v131r4/Exploiting-Postie-WordPress-Plugin-/blob/master/README.md
exploit, third-party-advisory
-
wordpress.org
/plugins/postie/#developers
release-notes, vendor-advisory
-
postieplugin.com
/
product
-
wpvulndb.com
/vulnerabilities/10002
third-party-advisory
Sources
- CVE List CVE-2019-20203
- NVD CVE-2019-20203
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.