CVE-2019-19133

Name: CVE-2019-19133
Creator: NVD / NIST
Published: 2019-12-04T19:15:11.69+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.88%

Last modified Jun 17, 2026

CVE-2019-19133 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 1.88% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.88%

76.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Csshero	Csshero	4.0.3

References

http://packetstormsecurity.com/files/155558/WordPress-CSS-Hero-4.0.3-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2019/Dec/6Exploit, Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2019/Dec/6Exploit, Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2019/Dec/6Exploit, Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2019/Dec/6Exploit, Mailing List, Third Party Advisory
https://wpvulndb.com/vulnerabilities/9966Third Party Advisory
http://packetstormsecurity.com/files/155558/WordPress-CSS-Hero-4.0.3-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2019/Dec/6Exploit, Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2019/Dec/6Exploit, Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2019/Dec/6Exploit, Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2019/Dec/6Exploit, Mailing List, Third Party Advisory
https://wpvulndb.com/vulnerabilities/9966Third Party Advisory

Timeline

Published: Dec 4, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-19133?

How severe is CVE-2019-19133?

CVE-2019-19133 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.88% probability of exploitation in the next 30 days.

How do I fix CVE-2019-19133?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-19133?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST