MantisBT vulnerable to XSS via unescaped output in browser_search_plugin.php

published 2022-05-04 4 y ago modified 2026-06-17 4 mo ago also GHSA-wfg2-2wmw-6894 , EUVD-2022-32950

cvss: 6.1; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 5.2%; EPSS 5.2% chance of exploitation in 30 days, percentile 92%
public exploits: 0; none known, plus a Nuclei check

An XSS issue was discovered in browser_search_plugin.php in MantisBT before 2.25.2. Unescaped output of the return parameter allows an attacker to inject code into a hidden input field.

Patch / fix

fixed in 1

mantisbt mantisbt 2.25.2

Exploit prediction

5.17% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Nuclei template MantisBT < 2.25.2 - Cross-Site Scripting nuclei detection template
github.com https://github.com/YavuzSahbaz/CVE-2022-28508/blob/main/MantisBT%202.25.2%20XSS%20vulnurability referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	mantisbt/mantisbt	<=2.25.2	no fix listed

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /YavuzSahbaz/CVE-2022-28508/blob/main/MantisBT%202.25.2%20XSS%20vulnurability
web, exploit, third-party-advisory
mantisbt.org /
vendor-advisory
sourceforge.net /projects/mantisbt/
product, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2022-28508
advisory
github.com /mantisbt/mantisbt
package
mantisbt.org
web
sourceforge.net /projects/mantisbt
web

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary