CVE-2025-47204: An issue was discovered in post.php in bootstrap-multiselect (aka Bootstrap Multiselect) 1.1.2

Q: How do I fix CVE-2025-47204?

bootstrap multiselect: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2025-47204 being exploited?

CVE-2025-47204 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-47204 affect?

CVE-2025-47204 affects bootstrap multiselect. Severity is medium (CVSS 6.1). An issue was discovered in post.php in bootstrap-multiselect (aka Bootstrap Multiselect) 1.1.2. A PHP script in the source code echoes arbitrary POST data. If a developer adopts this structure wholesale in a live application, it could creat

Q: How urgent is CVE-2025-47204?

Priority 31/100. No elevated risk signals yet.

Routine

MEDIUM 6.1DOWNGRADE

CVE-2025-47204 is a medium-severity flaw (CVSS 6.1) affecting bootstrap multiselect. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in post.php in bootstrap-multiselect (aka Bootstrap Multiselect) 1.1.2. A PHP script in the source code echoes arbitrary POST data. If a developer adopts this structure wholesale in a live application, it could create a Reflective Cross-Site Scripting (XSS) vulnerability exploitable through Cross-Site Request Forgery (CSRF).

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 61%)
CISA exploited list	No
Weakness	CWE-352
Published	2025-05-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: davidstutz

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-05-13 16:15 UTCPublished CVE record published
2026-06-17 09:27 UTCUpdated Record last modified

davidstutz bootstrap multiselect DOWNGRADE

Affected: 1.1.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1.2

1. Check installed version

apt-cache policy bootstrap-multiselect || rpm -q bootstrap-multiselect || bootstrap-multiselect --version

2. No fixed release: DOWNGRADE to a release before 1.1.2 (Debian / Ubuntu)

apt-cache madison bootstrap-multiselect sudo apt install bootstrap-multiselect=<VERSION_BEFORE_1.1.2> sudo apt-mark hold bootstrap-multiselect

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list bootstrap-multiselect sudo dnf downgrade bootstrap-multiselect-<VERSION_BEFORE_1.1.2> sudo dnf versionlock add bootstrap-multiselect

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Bootstrap Multiselect <= 1.1.2 - Cross-Site Scripting

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-47204?

bootstrap multiselect: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-47204 being exploited?

CVE-2025-47204 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-47204 affect?

CVE-2025-47204 affects bootstrap multiselect. Severity is medium (CVSS 6.1). An issue was discovered in post.php in bootstrap-multiselect (aka Bootstrap Multiselect) 1.1.2. A PHP script in the source code echoes arbitrary POST data. If a developer adopts this structure wholesale in a live application, it could creat

How urgent is CVE-2025-47204?

Priority 31/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities · Bootstrap vulnerabilities

References

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