CVE-2005-1511: PwsPHP 1.2.2 allows remote attackers to bypass authentication and post arbitrary comments via the Pseudo cooki

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HIGH 7.5DOWNGRADE

CVE-2005-1511 is a high-severity flaw (CVSS 7.5) affecting pwsphp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PwsPHP 1.2.2 allows remote attackers to bypass authentication and post arbitrary comments via the Pseudo cookie.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Published	2005-05-11
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: pwsphp

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

Am I affected?

Timeline

2005-05-11 04:00 UTCPublished CVE record published
2026-06-16 22:13 UTCUpdated Record last modified

pwsphp pwsphp DOWNGRADE

Affected: 1.2.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.2.2 (Debian / Ubuntu)

apt-cache madison pwsphp sudo apt install pwsphp=<VERSION_BEFORE_1.2.2> sudo apt-mark hold pwsphp

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

dnf --showduplicates list pwsphp sudo dnf downgrade pwsphp-<VERSION_BEFORE_1.2.2> sudo dnf versionlock add pwsphp

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-2005-1511?

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

Is CVE-2005-1511 being exploited?

CVE-2005-1511 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-2005-1511 affect?

CVE-2005-1511 affects pwsphp. Severity is high (CVSS 7.5). PwsPHP 1.2.2 allows remote attackers to bypass authentication and post arbitrary comments via the Pseudo cookie.

How urgent is CVE-2005-1511?

Priority 46/100. High severity

Related CVEs

CVE-2006-0943 HIGH 7.5 DOWNGRADE SQL injection vulnerability in the sondages module in index.php in PwsPHP 1.2.3 allows remote attackers to exe
CVE-2006-0942 HIGH 7.5 UPGRADE SQL injection vulnerability in profil.php in PwsPHP 1.2.3, and possibly earlier versions, allows remote attack
CVE-2006-0668 HIGH 7.5 DOWNGRADE SQL injection vulnerability in index.php in PwsPHP 1.2.3 allows remote attackers to execute arbitrary SQL comm
CVE-2005-1512 HIGH 7.5 DOWNGRADE The Admin panel in PwsPHP 1.2.2 does not properly verify uploaded picture files, which allows remote attackers
CVE-2005-1510 HIGH 7.5 DOWNGRADE PwsPHP 1.2.2 allows remote attackers to obtain sensitive information via a direct request to the admin directo

References

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