6.3

CVE-2021-27909: acquia mautic Cross-site Scripting

CVSS: 6.3v3.1MediumModified
Published 30-08-2021Last modified 16-09-2024

Vulnerability summary

CVE-2021-27909 is a medium (CVSS 6.3) Cross-site Scripting vulnerability in acquia mautic. EPSS estimates a 4.07% chance of exploitation in the next 30 days, higher than 90.5% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
4.07%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-08-2021
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

For Mautic versions prior to 3.3.4/4.0.0, there is an XSS vulnerability on Mautic's password reset page where a vulnerable parameter, "bundle," in the URL could allow an attacker to execute Javascript code. The attacker would be required to convince or trick the target into clicking a password reset URL with the vulnerable parameter utilized.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

4.07%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

0.00 pp

From 4.07% on 19-09-2026

19-09-202619-10-2026
EPSS score
4.07%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Acquia1 product
  • mauticEOL< 3.3.4 | 4.0.0:alpha1 | 4.0.0:beta | 4.0.0:rc
Mautic1 product
  • mautic≥ unspecified, < 3.3.4 | ≥ unspecified, < 4.0.0

2 vendors · 2 products

References

1 links