CVE-2025-61183: Cross Site Scripting in vaahcms v.2.3.1 allows a remote attacker to execute arbitrary code via upload method i

Routine

MEDIUM 6.1DOWNGRADE

CVE-2025-61183 is a medium-severity flaw (CVSS 6.1) affecting vaahcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Scripting in vaahcms v.2.3.1 allows a remote attacker to execute arbitrary code via upload method in the storeAvatar() method of UserBase.php

Why this priority

Public exploit reference

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	0.3% (top 77%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-10-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: webreinvent

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

Am I affected?

Timeline

2025-10-08 14:15 UTCPublished CVE record published
2026-06-17 09:50 UTCUpdated Record last modified

webreinvent vaahcms DOWNGRADE

Affected: 2.3.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.3.1

1. Check installed version

apt-cache policy vaahcms || rpm -q vaahcms || vaahcms --version

2. No fixed release: DOWNGRADE to a release before 2.3.1 (Debian / Ubuntu)

apt-cache madison vaahcms sudo apt install vaahcms=<VERSION_BEFORE_2.3.1> sudo apt-mark hold vaahcms

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

dnf --showduplicates list vaahcms sudo dnf downgrade vaahcms-<VERSION_BEFORE_2.3.1> sudo dnf versionlock add vaahcms

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.

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-2025-61183?

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

Is CVE-2025-61183 being exploited?

CVE-2025-61183 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-2025-61183 affect?

CVE-2025-61183 affects vaahcms. Severity is medium (CVSS 6.1). Cross Site Scripting in vaahcms v.2.3.1 allows a remote attacker to execute arbitrary code via upload method in the storeAvatar() method of UserBase.php

How urgent is CVE-2025-61183?

Priority 32/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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