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VulnerabilityPublished

CVE-2025-6174: Qwizcards | online quizzes and flashcards (WordPress plugin) · Cross-Site Scripting (XSS)

Affects Qwizcards | online quizzes and flashcards (WordPress plugin)Source CVE Database V5

0

Not known to be exploited · public detection template (Nuclei) · CVSS 6.1 Medium.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 3.1 base score
6.1Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 42% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Jul 2025

  2. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  3. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  4. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Qwizcards | online quizzes and flashcardsAffected
  • =0
Fixed in–

AI-suggested

European organizations should immediately audit their WordPress installations to identify the presence and version of the Qwizcards plugin. Until an official patch is released, they should consider the following specific mitigations: 1) Disable or deactivate the Qwizcards plugin temporarily if it is not essential to operations. 2) Implement Web Application Firewall (WAF) rules to detect and block suspicious requests containing malicious payloads targeting the '_stylesheet' parameter. 3) Employ Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts on affected web pages. 4) Educate administrators and users about the risks of clicking on untrusted links and encourage cautious behavior. 5) Monitor web server logs for unusual query parameters or repeated attempts to exploit this vulnerability. 6) Regularly back up website data and configurations to enable quick recovery if an attack occurs. 7) Follow updates from the plugin vendor and WordPress security advisories to apply patches promptly once available. These targeted actions will reduce the attack surface and limit the potential damage while a permanent fix is pending.

Description

The Qwizcards | online quizzes and flashcards WordPress plugin through 3.9.4 does not sanitise and escape the "_stylesheet" parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin or any other user.

References

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