CVE-2018-25116 — MyBB Thread Redirect Plugin 0.2.1

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MEDIUM

MyBB Thread Redirect Plugin 0.2.1 - Cross-Site Scripting

Published Jan 23, 2026

5.1

MEDIUM

CVSS 4.0

EPSS 0.32%

Description

MyBB Thread Redirect Plugin 0.2.1 contains a cross-site scripting vulnerability in the custom text input field for thread redirects. Attackers can inject malicious SVG scripts that will execute when other users view the thread, allowing arbitrary script execution.

Affected products

Vendor Jamiesage123 Product MyBB Thread Redirect Plugin Default
n/a
- Version
  0.2.1
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Jamiesage123

MyBB Thread Redirect Plugin

n/a

Version	Status	Constraints
0.2.1	affected	-

Remediation

No remediation recorded yet.

Metrics

0.32% 0.00321

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.

EPSS probability 0.00321

Score over time

Jan–Oct 2026

EPSS v4
EPSS v5

Percentile over time

EPSS v4
EPSS v5

Table of values (3 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 3, 2026	0.32% (0.00321)	22.90th	v5 (v2026.06.15)
Jun 15, 2026	0.28% (0.00278)	19.30th	v5 (v2026.06.15)
Jan 24, 2026	0.01% (0.00010)	0.88th	v4 (v2025.03.14)

Weaknesses (1)

CWE-79

Cross-site Scripting (XSS)

References (3)

https://github.com/jamiesage123/Thread-Redirect
product
https://www.exploit-db.com/exploits/49505
exploitVDB Entry
https://www.vulncheck.com/advisories/mybb-thread-redirect-plugin-cross-site-scripting
third-party-advisoryThird Party Advisory

Link	Providers	Tags
https://github.com/jamiesage123/Thread-Redirect		product
https://www.exploit-db.com/exploits/49505		exploitVDB Entry
https://www.vulncheck.com/advisories/mybb-thread-redirect-plugin-cross-site-scripting		third-party-advisoryThird Party Advisory