HOMEVULNERABILITIESCVE-2018-13393
MEDIUM

CVE-2018-13393

CWE-352Published: August 15, 2018· Updated: Jun 17, 2026

6.5
CVSS v3.1

Official Description

The convertCommentToAnswer resource in Atlassian Confluence Questions before version 2.6.6, the bundled version of Confluence Questions was updated to a fixed version in Confluence version 6.9.0, allows remote attackers to modify a comment into an answer via a Cross-site request forgery (CSRF) vulnerability.

NVD Source

Technical Analysis

CVE-2018-13393 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 6.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected Vendors & Products

Atlassian1 product(s)
questions for confluence
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.securityfocus.com/bid/105155
ADVISORYhttps://jira.atlassian.com/browse/CONFSERVER-56282
ADVISORYhttp://www.securityfocus.com/bid/105155
ADVISORYhttps://jira.atlassian.com/browse/CONFSERVER-56282

All References (4)

→
http://www.securityfocus.com/bid/105155Third Party Advisory · VDB Entry
→
https://jira.atlassian.com/browse/CONFSERVER-56282Issue Tracking · Vendor Advisory
→
http://www.securityfocus.com/bid/105155Third Party Advisory · VDB Entry
→
https://jira.atlassian.com/browse/CONFSERVER-56282Issue Tracking · Vendor Advisory

Quick Facts

CVE IDCVE-2018-13393
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-352
CISA KEVNo
Affected1 vendor(s)
PublishedAug 15, 2018

Related CVEs (CWE-352)

CVE-2017-5145
10.0
CVE-2025-32642
10.0
CVE-2025-23922
10.0
CVE-2019-14551
9.8
CVE-2017-6080
9.8
CVE-2016-9866
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-13393 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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