CVE-2023-32685
Clipboard based cross-site scripting (blocked with default CSP) in Kanboard
CVE-2023-32685 is a medium vulnerability (CVSS 4.4) in Kanboard, published May 30, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.51%, the 44th percentile. No source names a fixed version.
- Severity
- 4.4 MediumCVSS 3.1, CVE List
- Exploit chance
- 0.51%EPSS, 44th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Kanboard is project management software that focuses on the Kanban methodology. Due to improper handling of elements under the contentEditable element, maliciously crafted clipboard content can inject arbitrary HTML tags into the DOM. A low-privileged attacker with permission to attach a document on a vulnerable Kanboard instance can trick the victim into pasting malicious screenshot data and achieve cross-site scripting if CSP is improperly configured. This issue has been patched in version 1.2.29.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
Affected products
What each source reports
CVE List Score used 4.4
Clipboard based cross-site scripting (blocked with default CSP) in Kanboard
Kanboard is project management software that focuses on the Kanban methodology. Due to improper handling of elements under the contentEditable element, maliciously crafted clipboard content can inject arbitrary HTML tags into the DOM. A low-privileged attacker with permission to attach a document on a vulnerable Kanboard instance can trick the victim into pasting malicious screenshot data and achieve cross-site scripting if CSP is improperly configured. This issue has been patched in version 1.2.29.
- Record
CVE-2023-32685- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2023-36921 4.4
Kanboard is project management software that focuses on the Kanban methodology. Due to improper handling of elements under the contentEditable element, maliciously crafted clipboard content can inject arbitrary HTML tags into the DOM. A low-privileged attacker with permission to attach a document on a vulnerable Kanboard instance can trick the victim into pasting malicious screenshot data and achieve cross-site scripting if CSP is improperly configured. This issue has been patched in version 1.2.29.
- Record
EUVD-2023-36921- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-03
NVD 4.4
Kanboard is project management software that focuses on the Kanban methodology. Due to improper handling of elements under the contentEditable element, maliciously crafted clipboard content can inject arbitrary HTML tags into the DOM. A low-privileged attacker with permission to attach a document on a vulnerable Kanboard instance can trick the victim into pasting malicious screenshot data and achieve cross-site scripting if CSP is improperly configured. This issue has been patched in version 1.2.29.
- Record
CVE-2023-32685- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N - 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 - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV 4.4
Clipboard based cross-site scripting (blocked with default CSP) in Kanboard
Kanboard is project management software that focuses on the Kanban methodology. Due to improper handling of elements under the contentEditable element, maliciously crafted clipboard content can inject arbitrary HTML tags into the DOM. A low-privileged attacker with permission to attach a document on a vulnerable Kanboard instance can trick the victim into pasting malicious screenshot data and achieve cross-site scripting if CSP is improperly configured. This issue has been patched in version 1.2.29.
- Record
CVE-2023-32685- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-11
OSVDEBIAN-CVE-2023-32685 5.4
Kanboard is project management software that focuses on the Kanban methodology. Due to improper handling of elements under the contentEditable element, maliciously crafted clipboard content can inject arbitrary HTML tags into the DOM. A low-privileged attacker with permission to attach a document on a vulnerable Kanboard instance can trick the victim into pasting malicious screenshot data and achieve cross-site scripting if CSP is improperly configured. This issue has been patched in version 1.2.29.
- Record
DEBIAN-CVE-2023-32685- 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
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| affected, facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
github.com/kanboard/kanboard/security/advisories/GHSA-hjmw-gm82-r4gv
github.com/kanboard/kanboard/commit/26b6eebb78d4306e48b836a58f7c386251aa2bc7
github.com/kanboard/kanboard/commit/c9c187206700030c43493b80fd599b4d096cb713
github.com/CVEProject/cvelistV5/tree/main/cves/2023/32xxx/CVE-2023-32685.json
nvd.nist.gov/vuln/detail/CVE-2023-32685
security-tracker.debian.org/tracker/CVE-2023-32685