CVE-2025-64048: YCCMS 3.4 contains a stored cross-site scripting (XSS) vulnerability in the article management functionality

Routine

MEDIUM 6.1DOWNGRADE

CVE-2025-64048 is a medium-severity flaw (CVSS 6.1) affecting yccms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

YCCMS 3.4 contains a stored cross-site scripting (XSS) vulnerability in the article management functionality. The vulnerability exists in the add() and getPost() functions within the ArticleAction.class.php file due to improper neutralization of user input in the article title field.

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	0.2% (top 91%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-11-24
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: yccms

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-11-24 20:15 UTCPublished CVE record published
2026-07-05 02:17 UTCUpdated Record last modified

yccms yccms DOWNGRADE

Affected: 3.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.4 (Debian / Ubuntu)

apt-cache madison yccms sudo apt install yccms=<VERSION_BEFORE_3.4> sudo apt-mark hold yccms

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

dnf --showduplicates list yccms sudo dnf downgrade yccms-<VERSION_BEFORE_3.4> sudo dnf versionlock add yccms

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-2025-64048?

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

Is CVE-2025-64048 being exploited?

CVE-2025-64048 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-2025-64048 affect?

CVE-2025-64048 affects yccms. Severity is medium (CVSS 6.1). YCCMS 3.4 contains a stored cross-site scripting (XSS) vulnerability in the article management functionality. The vulnerability exists in the add() and getPost() functions within the ArticleAction.class.php file due to improper neutralizati

How urgent is CVE-2025-64048?

Priority 24/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

References

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