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CVE-2018-11688

22
FAUCET Score

CVE-2018-11688 describes a cross-site scripting (XSS) vulnerability in Ignite Realtime Openfire versions prior to 3.9.2, stemming from insufficient input validation. This medium-severity vulnerability (CVSS 6.1) allows a remote attacker to execute arbitrary script in a victim's browser by enticing them to click a specially crafted URL, potentially leading to the theft of authentication credentials. While the vulnerability is known, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit or Nuclei, or entries in ExploitDB. Community discussion and media coverage for this CVE are minimal, indicating low public attention.

Impacted Technologies

VendorProductVersion(s)CPE
3.7.1CPE matchmatch criteria
cpe:2.3:a:igniterealtime:openfire:3.7.1:*:*:*:*:*:*:*

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
2.42%
Probability of exploitation in next 30 days
EPSS Percentile
82.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0242 is in the 92nd percentile among its peer group of 26,234 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 (1)

mavenpatch availablevia ghsa
Product: org.igniterealtime.openfire:parentFixed in: 3.9.2

Vendor Advisories (1)

mavenGHSA-jphj-5g3m-w7x6medium

Ignite Realtime Openfire vulnerable to cross-site scripting

May 14, 2022

References

packetstormsecurity.com / files/148057/Ignite-Realtime-Openfire-3.7.1-Cross-Site-Scripting.html
ExploitThird Party AdvisoryVDB Entry
seclists.org / fulldisclosure/2018/Jun/13
ExploitMailing ListThird Party Advisory
seclists.org / fulldisclosure/2018/Jun/24
github.com / igniterealtime/Openfire/commit/ed3492a24274fd454afe93a499db49f3d6335108
github.com / igniterealtime/Openfire/compare/v3.9.1...v3.9.2
vulmon.com / vulnerabilitydetails
ExploitThird Party Advisory
securityfocus.com / archive/1/542060/100/0/threaded
Third Party AdvisoryVDB Entry