What is CVE-2019-14787?

CVE-2019-14787 is a medium-severity vulnerability in Tribulant Newsletters, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-08-09.

How severe is CVE-2019-14787?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2019-14787 known to be exploited?

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

XSS in Tribulant Newsletters

CVE-2019-14787

The Tribulant Newsletters plugin before 4.6.19 for WordPress allows XSS via the wp-admin/admin-ajax.php?action=newsletters_load_new_editor contentarea parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-08-09 · last modified 2026-06-17.

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: 0.010 (62.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Tribulant Newsletters

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpvulndb.com/vulnerabilities/9447 (Exploit, Third Party Advisory)
www.pluginvulnerabilities.com/2019/07/01/reflected-cross-site-scripting-xss-vul… (Exploit, Third Party Advisory)
wordpress.org/plugins/newsletters-lite/ (Release Notes)

Frequently asked questions

What is CVE-2019-14787?: CVE-2019-14787 is a medium-severity vulnerability in Tribulant Newsletters, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-08-09.
How severe is CVE-2019-14787?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2019-14787 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.