Cross-site scripting (XSS) vulnerability in concrete/elements/collection_add.php in…
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Cross-site scripting (XSS) vulnerability in concrete/elements/collection_add.php in concrete5-legacy 5.6.4.0 and below allows remote attackers to inject arbitrary web script or HTML via the rel parameter.
Why it matters now
EPSS 0.00845 58th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:concrete5-legacy_project:concrete5-legacy:*:*:*:*:*:*:*:* | up to 5.6.4.0 | Vulnerable | Concrete5-legacy Project |
- cpe:2.3:a:concrete5-legacy_project:concrete5-legacy:*:*:*:*:*:*:*:* Versions up to 5.6.4.0 Vulnerable ·Concrete5-legacy Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-41464
- 2026-10-03 Alias added: GHSA-62jv-cf24-7fmc
References
More Concrete5-legacy Project Concrete5-legacy vulnerabilities
- TI-2021-18246 Cross-site scripting (XSS) vulnerability in concrete/elements/collection_theme.php in… CVSS 3.1MEDIUM 6.1
- TI-2021-18244 Cross-site scripting (XSS) vulnerability in… CVSS 3.1MEDIUM 6.1
- TI-2021-18243 Cross-site scripting (XSS) vulnerability in concrete/elements/collection_add.php in… CVSS 3.1MEDIUM 6.1
- TI-2021-18242 Cross-site scripting (XSS) vulnerability in concrete/elements/collection_add.php in… CVSS 3.1MEDIUM 6.1
Sources
- CVE-2021-41464 · CVE Program
- CVE-2021-41464 · NVD
- FIRST EPSS
- GHSA-62jv-cf24-7fmc · GitHub Advisory Database · CC BY 4.0
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