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CVE-2017-8897: Invision Power Services (IPS) Community Suite 4.1.19.2 and earlier has pre-auth reflected XSS in the IPS UTF8

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This month
MEDIUM 6.1UPGRADE

CVE-2017-8897 is a medium-severity flaw (CVSS 6.1) affecting invision power board. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Invision Power Services (IPS) Community Suite 4.1.19.2 and earlier has pre-auth reflected XSS in the IPS UTF8 Converter v1.1.18: admin/convertutf8/index.php?controller= is the attack vector. This UTF8 Converter vulnerability can easily be used to make a malicious announcement affecting any Invision Power Board user who views the announcement.

Why this priority

  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score6.1 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance1.2% (top 33%)
CISA exploited listNo
WeaknessCWE-79
Published2017-05-11
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: invisioncommunity

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

Am I affected?

Timeline

invisioncommunity invision power board UPGRADE
Affected: <= 4.1.19.2
Fixed in: newer than 4.1.19.2
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy invision-power-board || rpm -q invision-power-board || invision-power-board --version
2. UPGRADE to newer than 4.1.19.2 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade invision-power-board
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade invision-power-board
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
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-2017-8897?

invision power board: upgrade to newer than 4.1.19.2. Exact commands for each OS are on this page.

Is CVE-2017-8897 being exploited?

CVE-2017-8897 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-2017-8897 affect?

CVE-2017-8897 affects invision power board. Severity is medium (CVSS 6.1). Invision Power Services (IPS) Community Suite 4.1.19.2 and earlier has pre-auth reflected XSS in the IPS UTF8 Converter v1.1.18: admin/convertutf8/index.php?controller= is the attack vector. This UTF8 Converter vulnerability can easily be u

How urgent is CVE-2017-8897?

Priority 43/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

References

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