CVE-2005-2545: Multiple cross-site scripting (XSS) vulnerabilities in PHPOpenChat 3.0.2 allow remote attackers to inject arbi

Routine

MEDIUM 4.3DOWNGRADE

CVE-2005-2545 is a medium-severity flaw (CVSS 4.3) affecting phpopenchat. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in PHPOpenChat 3.0.2 allow remote attackers to inject arbitrary web script or HTML via the (1) title or (2) content parameter to profile.php and profile_misc.php, (3) the profile fields in userpage.php, (4) subject or (5) body in mail.php, or (8) disinvited_chatter or (7) invited_chatter parameter to invite.php.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Published	2005-08-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: phpopenchat

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

Am I affected?

Timeline

2005-08-10 04:00 UTCPublished CVE record published
2026-06-16 22:15 UTCUpdated Record last modified

phpopenchat phpopenchat DOWNGRADE

Affected: 3.0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.0.2 (Debian / Ubuntu)

apt-cache madison phpopenchat sudo apt install phpopenchat=<VERSION_BEFORE_3.0.2> sudo apt-mark hold phpopenchat

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

dnf --showduplicates list phpopenchat sudo dnf downgrade phpopenchat-<VERSION_BEFORE_3.0.2> sudo dnf versionlock add phpopenchat

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-2005-2545?

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

Is CVE-2005-2545 being exploited?

CVE-2005-2545 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-2005-2545 affect?

CVE-2005-2545 affects phpopenchat. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in PHPOpenChat 3.0.2 allow remote attackers to inject arbitrary web script or HTML via the (1) title or (2) content parameter to profile.php and profile_misc.php, (3) the profile fields in

How urgent is CVE-2005-2545?

Priority 34/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-4677 HIGH 7.5 UPGRADE PHP remote file inclusion vulnerability in contrib/yabbse/poc.php in phpopenchat before 3.0.2 allows remote at
CVE-2005-0863 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in PHPOpenChat v3.x allows remote attackers to inject arbitrary web s
CVE-2005-0862 HIGH 7.5 DOWNGRADE Multiple PHP remote file inclusion vulnerabilities in PHPOpenChat 3.0.1 and earlier allow remote attackers to

References

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