What is CVE-2013-4241?

CVE-2013-4241 is a medium-severity vulnerability in Hitmyserver Hms Testimonials, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-01-30.

How severe is CVE-2013-4241?

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

Is CVE-2013-4241 known to be exploited?

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

XSS in Hitmyserver Hms Testimonials

CVE-2013-4241

Multiple cross-site scripting (XSS) vulnerabilities in the HMS Testimonials plugin before 2.0.11 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) name, (2) image, (3) url, or (4) testimonial parameter to the Testimonial form (hms-testimonials-addnew page); (5) date_format parameter to the Settings - Default form (hms-testimonials-settings page); (6) name parameter in a Save action to the Settings - Custom Fields form (hms-testimonials-settings-fields page); or (7) name parameter in a Save action to the Settings - Template form (hms-testimonials-templates-new page).

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-01-30 · last modified 2026-06-16.

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: 0.037 (89.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000

Affected products

Hitmyserver Hms Testimonials — versions before 2.0.11
Hitmyserver Hms Testimonials

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

seclists.org/fulldisclosure/2013/Aug/96 (Exploit, Mailing List, Third Party Advisory)
seclists.org/fulldisclosure/2013/Aug/98 (Exploit, Mailing List, Third Party Advisory)
seclists.org/oss-sec/2013/q3/345 (Mailing List, Third Party Advisory)
seclists.org/oss-sec/2013/q3/361 (Mailing List, Third Party Advisory)
wordpress.org/plugins/hms-testimonials/ (Release Notes)

Frequently asked questions

What is CVE-2013-4241?: CVE-2013-4241 is a medium-severity vulnerability in Hitmyserver Hms Testimonials, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-01-30.
How severe is CVE-2013-4241?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2013-4241 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.