CVE-2021-33347
An issue was discovered in JPress v3.3.0 and below. There are XSS vulnerabilities in the template...
An issue was discovered in JPress v3.3.0 and below. There are XSS vulnerabilities in the template module and tag management module. If you log in to the background by means of weak password, the storage XSS vulnerability can occur.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in JPress v3.3.0 and below. There are XSS vulnerabilities in the template module and tag management module. If you log in to the background by means of weak password, the storage XSS vulnerability can occur.
- Record
CVE-2021-33347- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in JPress v3.3.0 and below. There are XSS vulnerabilities in the template module and tag management module. If you log in to the background by means of weak password, the storage XSS vulnerability can occur.
- Record
CVE-2021-33347- Updated
- 2026-11-02
EUVDEUVD-2021-20055 No score
An issue was discovered in JPress v3.3.0 and below. There are XSS vulnerabilities in the template module and tag management module. If you log in to the background by means of weak password, the storage XSS vulnerability can occur.
- Record
EUVD-2021-20055- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4fhx-wqc3-cg4x No score
An issue was discovered in JPress v3.3.0 and below. There are XSS vulnerabilities in the template...
An issue was discovered in JPress v3.3.0 and below. There are XSS vulnerabilities in the template module and tag management module. If you log in to the background by means of weak password, the storage XSS vulnerability can occur.
- Record
GHSA-4fhx-wqc3-cg4x- Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
An issue was discovered in JPress v3.3.0 and below. There are XSS vulnerabilities in the template module and tag management module. If you log in to the background by means of weak password, the storage XSS vulnerability can occur.
- Record
CVE-2021-33347- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33347 is a medium vulnerability (CVSS 5.4) in Jpress, published June 18, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.55%, the 45th percentile. No source names a fixed version.