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CVE-2018-20756

20
FAUCET Score

CVE-2018-20756 describes a cross-site scripting (XSS) vulnerability in MODX Revolution versions up to 2.7.0-pl, allowing attackers to inject malicious scripts through document resources like the pagetitle during update, quick edit, or manager log viewing actions. This medium-severity vulnerability has a CVSS score of 6.1, indicating it can be exploited remotely with low attack complexity, requiring user interaction, and potentially leading to low impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.7.0CPE matchmatch criteria
cpe:2.3:a:modx:modx_revolution:*:*:*:*:*:*:*:*
2.7.0CPE matchmatch criteria
cpe:2.3:a:modx:modx_revolution:2.7.0:pl:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.86%
Probability of exploitation in next 30 days
EPSS Percentile
54.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0086 is in the 65th percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: modx/revolutionFixed in: 2.7.1-pl
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-fpxg-5x79-43rmmedium

MODX Revolution allows XSS via document resources

May 14, 2022

References

github.com / modxcms/revolution/issues/14105
ExploitPatchThird Party Advisory