CVE-2020-13870 json
Comments plugin stored Cross-site Scripting (XSS) via an asset volume name
published 2020-06-05 6 y ago modified 2026-06-17 4 mo ago also GHSA-69ww-wv3j-mhg4 , EUVD-2022-2766
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 45%
- public exploits
- 0
- none known
Summary
An issue was discovered in the Comments plugin before 1.5.5 for Craft CMS. There is stored XSS via an asset volume name.
Patch / fix
- packagist verbb/comments 1.5.5
- verbb comments 1.5.5
Exploit prediction
0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
| GitHub | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | verbb/comments | <1.5.5 |
1.5.5 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/verbb/comments/blob/craft-3/CHANGELOG.md#155---2020-05-28-critical
web, release-notes, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-13870
advisory
-
github.com
/verbb/comments
package
Sources
- CVE List CVE-2020-13870
- GitHub Advisory GHSA-69ww-wv3j-mhg4
- NVD CVE-2020-13870
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.