Vulnerability · CVE-2025-50035
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CyrilG Fyrebox Quizzes fyrebox-shortcode allows Stored XSS.This issue affects
Published Jun 20, 2025 · catalog updated Apr 28, 2026 · CyrilG Fyrebox Quizzes
Last checked Oct 27, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-50035. EPSS is 0.25%. Act only if a listed version of CyrilG Fyrebox Quizzes is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium6.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.25%
- Remediation
- Advisory link
- Affected products
- vendor CyrilG Fyrebox Quizzes 0 ≤3.1
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CyrilG Fyrebox Quizzes fyrebox-shortcode allows Stored XSS.This issue affects Fyrebox Quizzes: from n/a through <= 3.1.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor CyrilG Fyrebox Quizzes 0 ≤3.10 ≤3.1
How to fix CVE-2025-50035
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 0 ≤3.1
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-50035. EPSS is 0.25%. Act only if a listed version of CyrilG Fyrebox Quizzes is installed.
Which versions are affected?
Compare what you have installed with CyrilG Fyrebox Quizzes 0 ≤3.1 0 ≤3.1. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.25%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jun 20, 2025 · EUVD
Detected
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CyrilG Fyrebox Quizzes fyrebox-shortcode allows Stored XSS.This issue affects Fyrebox Quizzes: from n/a through <= 3.1.
Apr 28, 2026 · EUVD
Updated
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CyrilG Fyrebox Quizzes fyrebox-shortcode allows Stored XSS.This issue affects Fyrebox Quizzes: from n/a through <= 3.1.
Sources
- CVE.orgVulnerability recordCVE-2025-50035
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-50035
30-day exploitation probability 0.25%
first.org - EUVDVulnerability recordEUVD-2025-28360
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CyrilG Fyrebox Quizzes fyrebox-shortcode allows Stored XSS.This issue affects Fyrebox Quizzes: from n/a through <= 3.1.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 27, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 27, 2026
- CVE.orgOct 21, 2026
- EUVDOct 18, 2026