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CVE-2020-15276Cross Site Scripting in baserCMS
- 7.7HighCVSS base score
- 1.0%Exploitation in 30 daysEPSS · top 37% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
baserCMS before version 4.4.1 is vulnerable to Cross-Site Scripting. Arbitrary JavaScript may be executed by entering a crafted nickname in blog comments. The issue affects the blog comment component. It is fixed in version 4.4.1.
Timeline
ID reserved
By GitHub_M
- 4 months later
· 4 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | High7.7 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N |
| NVDNVD · Modified | 3.1 | High8.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N |
- EPSS (exploitation in 30 days)
- 1.0% · top 37% of all CVEs (13 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.7.
Affected products
- affected >= 4.0.0, < 4.4.1
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistbaserproject/basercmsGHSA-fw5q-j9p4-3vxg (opens in a new tab)
References
References3
- https://basercms.net/security/20201029 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/baserproject/basercms/security/advisories/GHSA-fw5q-j9p4-3vxg (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/baserproject/basercms/commit/d14f506385f21d67d5ff3462f204d4c2321b7c54 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2020-1429 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-fw5q-j9p4-3vxg (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-15276)Record last updated .