What is CVE-2015-9453?

CVE-2015-9453 is a medium-severity vulnerability in K-78 Broken Link Manager, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-10-07.

How severe is CVE-2015-9453?

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

Is CVE-2015-9453 known to be exploited?

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

XSS in K-78 Broken Link Manager

CVE-2015-9453

The broken-link-manager plugin before 0.6.0 for WordPress has XSS via the HTTP Referer or User-Agent header to a URL that does not exist.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-10-07 · last modified 2026-06-17.

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: 0.015 (74.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

K-78 Broken Link Manager

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

wpvulndb.com/vulnerabilities/8333 (Exploit, Third Party Advisory)
wordpress.org/plugins/broken-link-manager/ (Product, Release Notes)
cinu.pl/research/wp-plugins/mail_b677bb83a6c1495f85f76faa5b13011d.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2015-9453?: CVE-2015-9453 is a medium-severity vulnerability in K-78 Broken Link Manager, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-10-07.
How severe is CVE-2015-9453?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2015-9453 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.