XSS in Postieplugin Postie
CVE-2019-20204
The Postie plugin 1.9.40 for WordPress allows XSS, as demonstrated by a certain payload with jaVasCript:/* at the beginning and a crafted SVG element.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.034 (88.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.034 · newest: 0.034 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/V1n1v131r4/Exploiting-Postie-WordPress-Plugin-/blob/master/README.md (Exploit, Third Party Advisory)
- postieplugin.com/ (Product)
- wordpress.org/plugins/postie/ (Release Notes, Vendor Advisory)
- wpvulndb.com/vulnerabilities/10002 (Third Party Advisory)
- packetstormsecurity.com/files/155973/WordPress-Postie-1.9.40-Cross-Site-Scripti… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-20204?
- CVE-2019-20204 is a medium-severity vulnerability in Postieplugin Postie, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-01-02.
- How severe is CVE-2019-20204?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2019-20204 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.