CVE-2021-24603
Site Reviews < 5.13.1 - Authenticated Stored XSS
The Site Reviews WordPress plugin before 5.13.1 does not sanitise some of its Review Details when adding a review as an admin, which could allow them to perform Cross-Site Scripting attacks when the unfiltered_html is disallowed
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
The Site Reviews WordPress plugin before 5.13.1 does not sanitise some of its Review Details when adding a review as an admin, which could allow them to perform Cross-Site Scripting attacks when the unfiltered_html is disallowed
- Record
CVE-2021-24603- 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
Site Reviews < 5.13.1 - Authenticated Stored XSS
The Site Reviews WordPress plugin before 5.13.1 does not sanitise some of its Review Details when adding a review as an admin, which could allow them to perform Cross-Site Scripting attacks when the unfiltered_html is disallowed
- Record
CVE-2021-24603- Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-11515 No score
The Site Reviews WordPress plugin before 5.13.1 does not sanitise some of its Review Details when adding a review as an admin, which could allow them to perform Cross-Site Scripting attacks when the unfiltered_html is disallowed
- Record
EUVD-2021-11515- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j3qx-4gvc-v53m No score
The Site Reviews WordPress plugin before 5.13.1 does not sanitise some of its Review Details when...
The Site Reviews WordPress plugin before 5.13.1 does not sanitise some of its Review Details when adding a review as an admin, which could allow them to perform Cross-Site Scripting attacks when the unfiltered_html is disallowed
- Record
GHSA-j3qx-4gvc-v53m- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-24603 is a medium vulnerability (CVSS 5.4) in Geminilabs Site Reviews, published September 6, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.62%, the 50th percentile. No source names a fixed version.