CVE-2021-24888
ImageBoss < 3.0.6 - Admin+ Stored Cross-Site Scripting
The ImageBoss WordPress plugin before 3.0.6 does not sanitise and escape its Source Name setting, which could allow high privilege users to perform Cross-Site Scripting attacks
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 ImageBoss WordPress plugin before 3.0.6 does not sanitise and escape its Source Name setting, which could allow high privilege users to perform Cross-Site Scripting attacks
- Record
CVE-2021-24888- 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 ListNo score
ImageBoss < 3.0.6 - Admin+ Stored Cross-Site Scripting
The ImageBoss WordPress plugin before 3.0.6 does not sanitise and escape its Source Name setting, which could allow high privilege users to perform Cross-Site Scripting attacks
- Record
CVE-2021-24888- Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-11800No score
The ImageBoss WordPress plugin before 3.0.6 does not sanitise and escape its Source Name setting, which could allow high privilege users to perform Cross-Site Scripting attacks
- Record
EUVD-2021-11800- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jj8m-m796-c52mNo score
The ImageBoss WordPress plugin before 3.0.6 does not sanitise and escape its Source Name setting,...
The ImageBoss WordPress plugin before 3.0.6 does not sanitise and escape its Source Name setting, which could allow high privilege users to perform Cross-Site Scripting attacks
- Record
GHSA-jj8m-m796-c52m- Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
The ImageBoss WordPress plugin before 3.0.6 does not sanitise and escape its Source Name setting, which could allow high privilege users to perform Cross-Site Scripting attacks
- Record
CVE-2021-24888- 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 - Updated
- 2026-11-11
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| 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-2021-24888 is a medium vulnerability (CVSS 4.8) in Imageboss, published November 23, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.70%, the 53rd percentile. No source names a fixed version.