The SimpleCaptcha implementation in Liferay Portal 7.3.4, 7.3.5 and Liferay DXP 7.3…
Priority LOW 35CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-287.
Summary
The SimpleCaptcha implementation in Liferay Portal 7.3.4, 7.3.5 and Liferay DXP 7.3 before fix pack 1 does not invalidate CAPTCHA answers after it is used, which allows remote attackers to repeatedly perform actions protected by a CAPTCHA challenge by reusing the same CAPTCHA answer.
Why it matters now
EPSS 0.01065 64th percentileScored 2026-11-07
Fix Fixed com.liferay.portal:release.portal.bom (Maven): 7.3.6com.liferay.portal:release.dxp.bom (Maven): 7.3.10.fp1
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 |
| — | com.liferay.portal:release.portal.bom (Maven) | 7.3.4 to before 7.3.6 | 7.3.6 | Patch available | GHSA-9mxg-p873-6793 |
| — | com.liferay.portal:release.dxp.bom (Maven) | before 7.3.10.fp1 | 7.3.10.fp1 | Patch available | GHSA-9mxg-p873-6793 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- com.liferay.portal:release.portal.bom (Maven) Vendor— Affected 7.3.4 to before 7.3.6 Fixed in 7.3.6 Patch available GHSA-9mxg-p873-6793
- com.liferay.portal:release.dxp.bom (Maven) Vendor— Affected before 7.3.10.fp1 Fixed in 7.3.10.fp1 Patch available GHSA-9mxg-p873-6793
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:liferay:dxp:*:*:*:*:*:*:*:* | before 7.3 | Vulnerable | Liferay |
| cpe:2.3:a:liferay:dxp:7.3:-:*:*:*:*:*:* | 7.3 | Vulnerable | Liferay |
| cpe:2.3:a:liferay:liferay_portal:7.3.4:*:*:*:*:*:*:* | 7.3.4 | Vulnerable | Liferay |
| cpe:2.3:a:liferay:liferay_portal:7.3.5:*:*:*:*:*:*:* | 7.3.5 | Vulnerable | Liferay |
- cpe:2.3:a:liferay:dxp:*:*:*:*:*:*:*:* Versions before 7.3 Vulnerable ·Liferay
- cpe:2.3:a:liferay:dxp:7.3:-:*:*:*:*:*:* Versions 7.3 Vulnerable ·Liferay
- cpe:2.3:a:liferay:liferay_portal:7.3.4:*:*:*:*:*:*:* Versions 7.3.4 Vulnerable ·Liferay
- cpe:2.3:a:liferay:liferay_portal:7.3.5:*:*:*:*:*:*:* Versions 7.3.5 Vulnerable ·Liferay
Remediation
- Fix · GHSA-9mxg-p873-6793 com.liferay.portal:release.portal.bom (Maven) Fixed in 7.3.6 Advisory →
- Fix · GHSA-9mxg-p873-6793 com.liferay.portal:release.dxp.bom (Maven) Fixed in 7.3.10.fp1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-29047
- 2026-10-03 Alias added: GHSA-9mxg-p873-6793
References
Advisory 2
More Liferay Dxp vulnerabilities
- TI-2022-18349 A Cross-site scripting (XSS) vulnerability in the Blog module - add new topic… CVSS 3.1MEDIUM 5.4
- TI-2022-18348 A Cross-site scripting (XSS) vulnerability in the Document and Media module - file upload… CVSS 3.1MEDIUM 5.4
- TI-2022-20404 A SQL injection vulnerability in the Friendly Url module in Liferay Portal 7.3.7, and… CVSS 3.1CRITICAL 9.8
- TI-2022-20402 A SQL injection vulnerability in the Fragment module in Liferay Portal 7.3.3 through… CVSS 3.1CRITICAL 9.8
- TI-2022-20403 A SQL injection vulnerability in the Layout module in Liferay Portal 7.1.3 through… CVSS 3.1HIGH 8.8
- TI-2024-16596 Cross-site scripting in Liferay Portal CVSS 3.1CRITICAL 9.6
Sources
- CVE-2021-29047 · CVE Program
- CVE-2021-29047 · NVD
- FIRST EPSS
- GHSA-9mxg-p873-6793 · GitHub Advisory Database · CC BY 4.0
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