XSS in Csshero
CVE-2019-19133
The CSS Hero plugin through 4.0.3 for WordPress is prone to reflected XSS via the URI in a csshero_action=edit_page request because it fails to sufficiently sanitize user-supplied input. An attacker may leverage this issue to execute arbitrary JavaScript in the browser of an unsuspecting user in the context of the affected site. This may allow the attacker to steal cookies or launch other attacks.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.019 (79.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Csshero — versions 4.0.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- seclists.org/fulldisclosure/2019/Dec/6 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- wpvulndb.com/vulnerabilities/9966 (Third Party Advisory)
- packetstormsecurity.com/files/155558/WordPress-CSS-Hero-4.0.3-Cross-Site-Script… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-19133?
- CVE-2019-19133 is a medium-severity vulnerability in Csshero, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-12-04.
- How severe is CVE-2019-19133?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2019-19133 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.