CVE-2015-2275: Cross-site scripting (XSS) vulnerability in WoltLab Community Gallery 2.0 before 2014-12-26 allows remote atta

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MEDIUM 4.3DOWNGRADE

CVE-2015-2275 is a medium-severity flaw (CVSS 4.3) affecting community gallery. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in WoltLab Community Gallery 2.0 before 2014-12-26 allows remote attackers to inject arbitrary web script or HTML via the parameters[data][7][title] parameter in a saveImageData action to index.php/AJAXProxy.

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	3.7% (top 10%)
CISA exploited list	No
Weakness	CWE-79
Published	2015-03-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: wotlab

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

Am I affected?

Timeline

2015-03-12 17:59 UTCPublished CVE record published
2026-06-17 00:23 UTCUpdated Record last modified

wotlab community gallery DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

apt-cache policy community-gallery || rpm -q community-gallery || community-gallery --version

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison community-gallery sudo apt install community-gallery=<VERSION_BEFORE_2.0> sudo apt-mark hold community-gallery

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

dnf --showduplicates list community-gallery sudo dnf downgrade community-gallery-<VERSION_BEFORE_2.0> sudo dnf versionlock add community-gallery

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: WoltLab Community Gallery - Persistent Cross-Site Scripting

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-2015-2275?

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

Is CVE-2015-2275 being exploited?

CVE-2015-2275 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-2015-2275 affect?

CVE-2015-2275 affects community gallery. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in WoltLab Community Gallery 2.0 before 2014-12-26 allows remote attackers to inject arbitrary web script or HTML via the parameters[data][7][title] parameter in a saveImageData action to index.php/A

How urgent is CVE-2015-2275?

Priority 42/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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