XSS in Acquia Mautic
CVE-2021-27912
Mautic versions before 3.3.4/4.0.0 are vulnerable to an inline JS XSS attack when viewing Mautic assets by utilizing inline JS in the title and adding a broken image URL as a remote asset. This can only be leveraged by an authenticated user with permission to create or edit assets.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (46.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Acquia Mautic — versions 4.0.0
- Mautic — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/mautic/mautic/security/advisories/GHSA-rh5w-82wh-jhr8 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-27912?
- CVE-2021-27912 is a high-severity vulnerability in Acquia Mautic, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2021-08-30.
- How severe is CVE-2021-27912?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2021-27912 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.