CVE-2015-2217: Multiple cross-site scripting (XSS) vulnerabilities in Ultimate PHP Board (aka myUPB) before 2.2.8 allow remot

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MEDIUM 4.3DOWNGRADE

CVE-2015-2217 is a medium-severity flaw (CVSS 4.3) affecting ultimate php board. 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 Ultimate PHP Board (aka myUPB) before 2.2.8 allow remote attackers to inject arbitrary web script or HTML via the (1) q parameter to search.php or (2) avatar parameter to profile.php.

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	1.9% (top 20%)
CISA exploited list	No
Weakness	CWE-79
Published	2015-03-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: myupb

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2015-03-10 14:59 UTCPublished CVE record published
2026-06-17 00:23 UTCUpdated Record last modified

myupb ultimate php board DOWNGRADE

Affected: 2.2.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.2.7

1. Check installed version

apt-cache policy ultimate-php-board || rpm -q ultimate-php-board || ultimate-php-board --version

2. No fixed release: DOWNGRADE to a release before 2.2.7 (Debian / Ubuntu)

apt-cache madison ultimate-php-board sudo apt install ultimate-php-board=<VERSION_BEFORE_2.2.7> sudo apt-mark hold ultimate-php-board

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

dnf --showduplicates list ultimate-php-board sudo dnf downgrade ultimate-php-board-<VERSION_BEFORE_2.2.7> sudo dnf versionlock add ultimate-php-board

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-2015-2217?

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

Is CVE-2015-2217 being exploited?

CVE-2015-2217 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-2015-2217 affect?

CVE-2015-2217 affects ultimate php board. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in Ultimate PHP Board (aka myUPB) before 2.2.8 allow remote attackers to inject arbitrary web script or HTML via the (1) q parameter to search.php or (2) avatar parameter to profile.php.

How urgent is CVE-2015-2217?

Priority 40/100. Public exploit reference

Software pages

PHP vulnerabilities

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References

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