CVE-2005-0670: Cross-site scripting (XSS) vulnerability in phpCOIN 1.2.0 through 1.2.1b allows remote attackers to inject arb

This month

MEDIUM 4.3DOWNGRADE

CVE-2005-0670 is a medium-severity flaw (CVSS 4.3) affecting phpcoin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in phpCOIN 1.2.0 through 1.2.1b allows remote attackers to inject arbitrary web script or HTML via (1) the new parameter to mod.php, (2) the w parameter to mod.php, (3) the e parameter to login.php, (4) the o parameter to login.php, and possibly other scripts.

Why this priority

EPSS top 9%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	4.4% (top 9%)
CISA exploited list	No
Published	2005-05-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: coinsoft technologies

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

Am I affected?

Timeline

2005-05-02 04:00 UTCPublished CVE record published
2026-06-16 22:11 UTCUpdated Record last modified

coinsoft technologies phpcoin DOWNGRADE

Affected: 1.2 · 1.2.1 · 1.2.1b

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.2 (Debian / Ubuntu)

apt-cache madison phpcoin sudo apt install phpcoin=<VERSION_BEFORE_1.2> sudo apt-mark hold phpcoin

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

dnf --showduplicates list phpcoin sudo dnf downgrade phpcoin-<VERSION_BEFORE_1.2> sudo dnf versionlock add phpcoin

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: PHPCOIN 1.2 - 'login.php' Multiple Cross-Site Scripting Vulnerabilities
Exploit-DB: PHPCOIN 1.2 - 'mod.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-2005-0670?

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

Is CVE-2005-0670 being exploited?

CVE-2005-0670 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-2005-0670 affect?

CVE-2005-0670 affects phpcoin. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in phpCOIN 1.2.0 through 1.2.1b allows remote attackers to inject arbitrary web script or HTML via (1) the new parameter to mod.php, (2) the w parameter to mod.php, (3) the e parameter to login.php,

How urgent is CVE-2005-0670?

Priority 43/100. EPSS top 9%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2010-0953 MEDIUM 6.8 DOWNGRADE Directory traversal vulnerability in mod.php in phpCOIN 1.2.1 allows remote attackers to read arbitrary files
CVE-2007-0861 HIGH 7.5 UPGRADE PHP remote file inclusion vulnerability in modules/mail/index.php in phpCOIN RC-1 and earlier allows remote at
CVE-2006-4425 MEDIUM 5.1 DOWNGRADE Multiple PHP remote file inclusion vulnerabilities in phpCOIN 1.2.3 allow remote attackers to execute arbitrar
CVE-2006-4424 MEDIUM 5.1 DOWNGRADE PHP remote file inclusion vulnerability in coin_includes/constants.php in phpCOIN 1.2.3 allows remote attacker
CVE-2006-2422 MEDIUM 5.0 DOWNGRADE phpCOIN 1.2.3 and earlier stores messages based upon e-mail addresses, which allows remote authenticated users

References

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