What is CVE-2019-11843?

CVE-2019-11843 is a medium-severity vulnerability in Automattic Mailpoet, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-06-02.

How severe is CVE-2019-11843?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2019-11843 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Automattic Mailpoet

CVE-2019-11843

The MailPoet plugin before 3.23.2 for WordPress allows remote attackers to inject arbitrary web script or HTML using extra parameters in the URL (Reflective Server-Side XSS).

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.018 (75.8th percentile) — read the EPSS interpretation.

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.

Affected products

Automattic Mailpoet
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2019-11843?: CVE-2019-11843 is a medium-severity vulnerability in Automattic Mailpoet, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-06-02.
How severe is CVE-2019-11843?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2019-11843 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.