CVE-2021-27914
CVE-2021-27914 is a high-severity vulnerability in Acquia Mautic with a CVSS 3.x base score of 7.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: High (CVSS 3.x base score 7.6)
- CVSS v2: 3.5
- EPSS exploit prediction: 0% (35th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Acquia Mautic
- Published:
- Last modified:
Description
A cross-site scripting (XSS) vulnerability in the installer component of Mautic before 4.3.0 allows admins to inject executable javascript
Frequently asked questions
- What is CVE-2021-27914?
- A cross-site scripting (XSS) vulnerability in the installer component of Mautic before 4.3.0 allows admins to inject executable javascript
- How severe is CVE-2021-27914?
- CVE-2021-27914 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-27914 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-27914?
- CVE-2021-27914 affects Acquia Mautic. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-27914?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-27914 published?
- CVE-2021-27914 was published on 2022-06-01 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:acquia:mautic:*:*:*:*:*:*:*:*
More vulnerabilities in Acquia Mautic
- CVE-2022-25772 — Critical (CVSS 9.6): A cross-site scripting (XSS) vulnerability in the web tracking component of Mautic before 4.3.0 allows remote attackers…
- CVE-2020-35125 — Critical (CVSS 9.6): A cross-site scripting (XSS) vulnerability in the forms component of Mautic before 3.2.4 allows remote attackers to…
- CVE-2020-35124 — Critical (CVSS 9.6): A cross-site scripting (XSS) vulnerability in the assets component of Mautic before 3.2.4 allows remote attackers to…
- CVE-2024-47051 — Critical (CVSS 9.1): This advisory addresses two critical security vulnerabilities present in Mautic versions before 5.2.3. These…
- CVE-2020-35128 — Critical (CVSS 9.0): Mautic before 3.2.4 is affected by stored XSS. An attacker with permission to manage companies, an application feature,…
- CVE-2017-8874 — High (CVSS 8.8): Multiple cross-site request forgery (CSRF) vulnerabilities in Mautic 1.4.1 allow remote attackers to hijack the…
All CVEs affecting Acquia Mautic →
Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities
- CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
- CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
- CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
- CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
- CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
- CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…
Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →