CVE-2004-1960: Cross-site scripting (XSS) vulnerability in blocker_query.php in Protector System 1.15b1 allows remote attacke

Routine

MEDIUM 4.3DOWNGRADE

CVE-2004-1960 is a medium-severity flaw (CVSS 4.3) affecting protector system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in blocker_query.php in Protector System 1.15b1 allows remote attackers to inject arbitrary web script or HTML via the (1) target or (2) portNum parameters.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.7% (top 22%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: protector system

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:08 UTCUpdated Record last modified

protector system protector system DOWNGRADE

Affected: 1.15b1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.15b1

1. Check installed version

apt-cache policy protector-system || rpm -q protector-system || protector-system --version

2. No fixed release: DOWNGRADE to a release before 1.15b1 (Debian / Ubuntu)

apt-cache madison protector-system sudo apt install protector-system=<VERSION_BEFORE_1.15b1> sudo apt-mark hold protector-system

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

dnf --showduplicates list protector-system sudo dnf downgrade protector-system-<VERSION_BEFORE_1.15b1> sudo dnf versionlock add protector-system

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.

Exploit-DB: Protector System 1.15 - 'blocker_query.php' Multiple Cross-Site Scripting Vulnerabilities

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-2004-1960?

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

Is CVE-2004-1960 being exploited?

CVE-2004-1960 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-2004-1960 affect?

CVE-2004-1960 affects protector system. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in blocker_query.php in Protector System 1.15b1 allows remote attackers to inject arbitrary web script or HTML via the (1) target or (2) portNum parameters.

How urgent is CVE-2004-1960?

Priority 39/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

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CVE-2004-1961 HIGH 7.5 DOWNGRADE blocker.php in Protector System 1.15b1 allows remote attackers to bypass SQL injection protection and execute
CVE-2004-1959 MEDIUM 5.0 DOWNGRADE blocker_query.php in Protector System 1.15b1 for PHP-Nuke allows remote attackers to gain sensitive informatio

References

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