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Vulnerability record · CVE-2021-27677 · published 11 March 2021

CVE-2021-27677: Batflat cross-site scripting vulnerability

Batflat · Batflat

Cross-site scripting (XSS) vulnerability in Galleries in Batflat CMS 1.3.6 allows remote attackers to inject arbitrary web script or HTML via the field name.

5.4 CVSS 3.1 Medium EPSS 0.60% · top 53.4% CWE-79 · Cross-site scripting
5.4CVSS 3.1 base score, v2 3.5
0.60%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Cross-site scripting (XSS) vulnerability in Galleries in Batflat CMS 1.3.6 allows remote attackers to inject arbitrary web script or HTML via the field name.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/sruupl/batflat/issues/105 ExploitIssue TrackingThird Party Advisory
https://github.com/sruupl/batflat/issues/105 ExploitIssue TrackingThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-27677), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.