XSS in Acquia Mautic
CVE-2020-35125
A cross-site scripting (XSS) vulnerability in the forms component of Mautic before 3.2.4 allows remote attackers to inject executable JavaScript via mautic[return] (a different attack method than CVE-2020-35124, but also related to the Referer concept).
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.027 (85.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- forum.mautic.org/c/announcements/16 (Vendor Advisory)
- www.mautic.org/blog/community/security-release-all-versions-mautic-prior-2-16-5… (Release Notes, Vendor Advisory)
- www.horizon3.ai/disclosures/mautic-unauth-xss-to-rce (Technical Description, Exploit, Third Party Advisory)
- github.com/mautic/mautic/security/advisories/GHSA-42q7-95j7-w62m (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-35125?
- CVE-2020-35125 is a critical-severity vulnerability in Acquia Mautic, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2021-02-09.
- How severe is CVE-2020-35125?
- Critical severity. CVSS v3 base score is 9.6 out of 10.
- Is CVE-2020-35125 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.