CVE-2021-24854
CVE-2021-24854 is a medium-severity vulnerability in Qr Redirector Project Qr Redirector with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (45th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Qr Redirector Project Qr Redirector
- Published:
- Last modified:
Description
The QR Redirector WordPress plugin before 1.6.1 does not sanitise and escape some of the QR Redirect fields, which could allow users with a role as low as Contributor perform Stored Cross-Site Scripting attacks.
Frequently asked questions
- What is CVE-2021-24854?
- The QR Redirector WordPress plugin before 1.6.1 does not sanitise and escape some of the QR Redirect fields, which could allow users with a role as low as Contributor perform Stored Cross-Site Scripting attacks.
- How severe is CVE-2021-24854?
- CVE-2021-24854 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-24854 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-24854?
- CVE-2021-24854 affects Qr Redirector Project Qr Redirector. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-24854?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-24854 published?
- CVE-2021-24854 was published on 2021-11-17 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:qr_redirector_project:qr_redirector:*:*:*:*:*:wordpress:*:*
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