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Fencer Intel
medium 6.1

CVE-2013-4241 json

Multiple cross-site scripting (XSS) vulnerabilities in the HMS Testimonials plugin before 2.0.11 for WordPress allow remote attackers to in…

published 6y ago modified 4mo ago also EUVD-2013-4145

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.7%
EPSS 3.7% chance of exploitation in 30 days, percentile 89%
public exploits
1
Exploit-DB

Summary

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).

Patch / fix

  • hitmyserver hms_testimonials 2.0.11

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Timeline

  1. First public exploit (EDB-27531)
  2. Published

Exploit prediction

3.66% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-27531 WordPress Plugin Hms Testimonials 2.0.10 - Multiple Vulnerabilities webapps, 2013-08-12
  • seclists.org http://seclists.org/fulldisclosure/2013/Aug/96 referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/fulldisclosure/2013/Aug/98 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • HitMyServer HMS Testimonials

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.