SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

EXPLOITHIGH 8.0EPSS 6.52%

Does this matter?

A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 6.5%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.

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.

CVSS 3.0
8.0 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS
6.52% probability · 94th percentile
Public exploits
1 in Exploit-DB · first 5 June 2018
CISA KEV
Not listed
Weakness
CWE-352
Affected
jenkins/mailer
Source
cve@mitre.org
EPSS trend
0%5%10%21 September 2026: 5.29%22 September 2026: 6.52%27 October 2026: 6.52%21 September 202627 October 2026

EPSS moved from 5.3% on 21 September 2026 to 6.5% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-44843source ↗Jenkins Mailer Plugin < 1.20 - Cross-Site Request Forgery (Send Email)linux · Kl3_GMjq6webapps5 June 2018no

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.