6.5

CVE-2018-13393: atlassian confluence questions Cross-Site Request Forgery

Modified
Published 15-08-2018Last modified 16-09-2024

Vulnerability summary

CVE-2018-13393 is a medium (CVSS 6.5) Cross-Site Request Forgery vulnerability in atlassian confluence questions. EPSS estimates a 0.79% chance of exploitation in the next 30 days, higher than 56.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.5/10
010
Medium · v3.0 (NVD)
EPSS score
0.79%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 15-08-2018
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.79%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

Decrease -0.01 pp

From 0.80% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Atlassian2 products

1 vendor · 2 products

References

2 links