CVE-2020-13870
Comments plugin stored Cross-site Scripting (XSS) via an asset volume name
An issue was discovered in the Comments plugin before 1.5.5 for Craft CMS. There is stored XSS via an asset volume name.
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
An issue was discovered in the Comments plugin before 1.5.5 for Craft CMS. There is stored XSS via an asset volume name.
- Record
CVE-2020-13870- 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
An issue was discovered in the Comments plugin before 1.5.5 for Craft CMS. There is stored XSS via an asset volume name.
- Record
CVE-2020-13870- Updated
- 2026-11-02
EUVDEUVD-2022-2766 No score
An issue was discovered in the Comments plugin before 1.5.5 for Craft CMS. There is stored XSS via an asset volume name.
- Record
EUVD-2022-2766- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-69ww-wv3j-mhg4
Comments plugin stored Cross-site Scripting (XSS) via an asset volume name
An issue was discovered in the Comments plugin before 1.5.5 for Craft CMS. There is stored XSS via an asset volume name.
- Record
GHSA-69ww-wv3j-mhg4- 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
An issue was discovered in the Comments plugin before 1.5.5 for Craft CMS. There is stored XSS via an asset volume name.
- Record
CVE-2020-13870- 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
OSVGHSA-69ww-wv3j-mhg4
Comments plugin stored Cross-site Scripting (XSS) via an asset volume name
An issue was discovered in the Comments plugin before 1.5.5 for Craft CMS. There is stored XSS via an asset volume name.
- Record
GHSA-69ww-wv3j-mhg4- 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
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
verbb/commentsPackagist |
before 1.5.5 | 1.5.5 |
verbb/commentsPackagist |
before 1.5.5, plus listed versions 0.3.60.3.81.0.01.0.11.0.2 Show 45 moreShow less1.0.31.0.41.0.51.0.61.0.6.11.0.6.21.0.6.31.0.71.0.7.11.1.01.1.11.1.101.1.21.1.31.1.41.1.51.1.61.1.71.1.7.11.1.81.1.91.2.01.2.11.2.21.2.31.2.41.3.01.3.11.3.101.3.111.3.121.3.21.3.31.3.41.3.51.3.61.3.71.3.81.3.91.4.01.4.11.4.1.11.5.01.5.11.5.2 |
1.5.5 |
History
| Recorded | Changed | Sources |
|---|---|---|
| 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-2020-13870 is a medium vulnerability (CVSS 5.4) in Verbb Comments, published June 5, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.54%, the 45th percentile. Fixed in verbb/comments 1.5.5.
References
Left out here: 2 versions. The JSON record has them.