CVE-2012-5902: Cross-site scripting (XSS) vulnerability in ptk/lib/modal_bookmark.php in DFLabs PTK 1.0.5 allows remote attac

Routine

MEDIUM 4.3DOWNGRADE

CVE-2012-5902 is a medium-severity flaw (CVSS 4.3) affecting ptk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in ptk/lib/modal_bookmark.php in DFLabs PTK 1.0.5 allows remote attackers to inject arbitrary web script or HTML via the arg4 parameter.

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	1.2% (top 33%)
CISA exploited list	No
Weakness	CWE-79
Published	2012-11-17
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: dflabs

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

Am I affected?

Timeline

2012-11-17 21:55 UTCPublished CVE record published
2026-06-16 23:47 UTCUpdated Record last modified

dflabs ptk DOWNGRADE

Affected: 1.0.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0.5 (Debian / Ubuntu)

apt-cache madison ptk sudo apt install ptk=<VERSION_BEFORE_1.0.5> sudo apt-mark hold ptk

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

dnf --showduplicates list ptk sudo dnf downgrade ptk-<VERSION_BEFORE_1.0.5> sudo dnf versionlock add ptk

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-2012-5902?

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

Is CVE-2012-5902 being exploited?

CVE-2012-5902 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-2012-5902 affect?

CVE-2012-5902 affects ptk. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in ptk/lib/modal_bookmark.php in DFLabs PTK 1.0.5 allows remote attackers to inject arbitrary web script or HTML via the arg4 parameter.

How urgent is CVE-2012-5902?

Priority 32/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2012-5901 MEDIUM 5.0 DOWNGRADE DFLabs PTK 1.0.5 stores data files with predictable names under the web document root with insufficient access
CVE-2012-1415 MEDIUM 6.8 UPGRADE Cross-site request forgery (CSRF) vulnerability in lib/logout.php in DFLabs PTK 1.0.5 and earlier allows remot

References

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