What is CVE-2018-14888?

CVE-2018-14888 is a medium-severity vulnerability in Thank You\/like Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-08-14.

How severe is CVE-2018-14888?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Thank You\/like Project

CVE-2018-14888

inc/plugins/thankyoulike.php in the Eldenroot Thank You/Like plugin before 3.1.0 for MyBB allows XSS via a post or thread subject.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-08-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.037 (89.3th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000

Affected products

Thank You\/like Project

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

packetstormsecurity.com/files/148871/MyBB-Thank-You-Like-3.0.0-Cross-Site-Scrip… (Exploit, VDB Entry, Third Party Advisory)
www.exploit-db.com/exploits/45178/ (Exploit, VDB Entry, Third Party Advisory, exploit)
community.mybb.com/mods.php (Vendor Advisory)
github.com/mybbgroup/MyBB_Thank-you-like-plugin/pull/199 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2018-14888?: CVE-2018-14888 is a medium-severity vulnerability in Thank You\/like Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-08-14.
How severe is CVE-2018-14888?: Medium severity. CVSS v3 base score is 6.1 out of 10.