CVE-2021-25121
Rating by BestWebSoft < 1.6 - Rating Denial of Service
The Rating by BestWebSoft WordPress plugin before 1.6 does not validate the submitted rating, allowing submission of long integer, causing a Denial of Service on the post/page when a user submit such rating
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The Rating by BestWebSoft WordPress plugin before 1.6 does not validate the submitted rating, allowing submission of long integer, causing a Denial of Service on the post/page when a user submit such rating
- Record
CVE-2021-25121- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:N/A:P - Weakness
- CWE-191
- Updated
- 2026-11-02
CVE List No score
Rating by BestWebSoft < 1.6 - Rating Denial of Service
The Rating by BestWebSoft WordPress plugin before 1.6 does not validate the submitted rating, allowing submission of long integer, causing a Denial of Service on the post/page when a user submit such rating
- Record
CVE-2021-25121- Weakness
- CWE-191
- Updated
- 2026-11-02
EUVDEUVD-2021-12033 No score
The Rating by BestWebSoft WordPress plugin before 1.6 does not validate the submitted rating, allowing submission of long integer, causing a Denial of Service on the post/page when a user submit such rating
- Record
EUVD-2021-12033- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hg3r-jw9q-9wc4
The Rating by BestWebSoft WordPress plugin through 1.5 does not validate the submitted rating,...
The Rating by BestWebSoft WordPress plugin through 1.5 does not validate the submitted rating, allowing submission of long integer, causing a Denial of Service on the post/page when a user submit such rating
- Record
GHSA-hg3r-jw9q-9wc4- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-191, CWE-400
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-25121 is a medium vulnerability (CVSS 6.5) in Bestwebsoft Rating, published June 20, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.21%, the 68th percentile. No source names a fixed version.