CVE-2021-24653
Cookie Bar < 1.8.9 - Admin+ Stored Cross-Site Scripting
The Cookie Bar WordPress plugin before 1.8.9 doesn't properly sanitise the Cookie Bar Message setting, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The Cookie Bar WordPress plugin before 1.8.9 doesn't properly sanitise the Cookie Bar Message setting, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
- Record
CVE-2021-24653- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/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
Cookie Bar < 1.8.9 - Admin+ Stored Cross-Site Scripting
The Cookie Bar WordPress plugin before 1.8.9 doesn't properly sanitise the Cookie Bar Message setting, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
- Record
CVE-2021-24653- Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-11565 No score
The Cookie Bar WordPress plugin before 1.8.9 doesn't properly sanitise the Cookie Bar Message setting, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
- Record
EUVD-2021-11565- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p78v-gqwj-9c32
The Cookie Bar WordPress plugin through 1.8.8 doesn't properly sanitise the Cookie Bar Message...
The Cookie Bar WordPress plugin through 1.8.8 doesn't properly sanitise the Cookie Bar Message setting, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
- Record
GHSA-p78v-gqwj-9c32- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- 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-2021-24653 is a medium vulnerability (CVSS 4.8) in Brontobytes Cookie Bar, published October 25, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.62%, the 49th percentile. No source names a fixed version.