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Public proof of conceptFix available

CVE-2018-8718

A public proof of concept exists; no exploitation attested.

  • Published2018-03-27
  • Fixed in1.21
  • WeaknessCWE-352

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Cross-site request forgery (CSRF) vulnerability in the Mailer Plugin 1.20 for Jenkins 2.111 allows remote authenticated users to send unauthorized mail as an arbitrary user via a /descriptorByName/hudson.tasks.Mailer/sendTestMail request.

Timeline

dates in UTC
  1. 2018-03-2716:29CVE publishedNVD
  2. 2018-06-05Exploit-DB entryExploit-DB

Versions per branch

OSV · NVD
mailer
BranchAffectedFixed in
1.21< 1.211.21
Jenkins mailer
BranchAffectedFixed in
1.20≤ 1.20no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • CVE-2018-8718 Red Hat Product Security1 known affected

    jenkins-plugin-mailer: Missing permissions check in Mailer.java:doSendTestMail() allows unauthorised users to send mail

    jenkins-mailer-plugin as a component of Red Hat OpenShift Enterprise 3

Full record on NVD

Fix

  1. Update mailer to 1.21
  2. No fix available, says the vendor Red Hat Product Security CVE-2018-8718 · 1 productAffected

Advisories and patches

Detection

read 2026-11-01 01:02 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-44843
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Published
2018-03-27
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-6g57-h38c-q52g

Frequently asked questions

What is CVE-2018-8718?

Cross-site request forgery (CSRF) vulnerability in the Mailer Plugin 1.20 for Jenkins 2.111 allows remote authenticated users to send unauthorized mail as an arbitrary user via a /descriptorByName/hudson.tasks.Mailer/sendTestMail request.

Is CVE-2018-8718 actively exploited?

Active exploitation of CVE-2018-8718 has not been confirmed. Its EPSS score was 6.5% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-8718?

CVE-2018-8718 has a CVSS v3 base score of 8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

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Sources for this record