CVE-2012-5866: Cross-site scripting (XSS) vulnerability in include.php in Achievo 1.4.5 allows remote attackers to inject arb

Routine

MEDIUM 4.3DOWNGRADE

CVE-2012-5866 is a medium-severity flaw (CVSS 4.3) affecting achievo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in include.php in Achievo 1.4.5 allows remote attackers to inject arbitrary web script or HTML via the field parameter.

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	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-79
Published	2014-10-20
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: achievo

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

Am I affected?

Timeline

2014-10-20 15:55 UTCPublished CVE record published
2026-06-16 23:47 UTCUpdated Record last modified

achievo achievo DOWNGRADE

Affected: 1.4.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.4.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.4.5 (Debian / Ubuntu)

apt-cache madison achievo sudo apt install achievo=<VERSION_BEFORE_1.4.5> sudo apt-mark hold achievo

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

dnf --showduplicates list achievo sudo dnf downgrade achievo-<VERSION_BEFORE_1.4.5> sudo dnf versionlock add achievo

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-2012-5866?

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

Is CVE-2012-5866 being exploited?

CVE-2012-5866 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-2012-5866 affect?

CVE-2012-5866 affects achievo. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in include.php in Achievo 1.4.5 allows remote attackers to inject arbitrary web script or HTML via the field parameter.

How urgent is CVE-2012-5866?

Priority 37/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2012-5865 MEDIUM 6.5 DOWNGRADE SQL injection vulnerability in dispatch.php in Achievo 1.4.5 allows remote authenticated users to execute arbi

References

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