CVE-2017-1000497: Pepperminty-Wiki version 0.15 is vulnerable to XXE attacks in the getsvgsize function resulting in denial of s

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2017-1000497 is a critical-severity flaw (CVSS 9.8) affecting pepperminty-wiki. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Pepperminty-Wiki version 0.15 is vulnerable to XXE attacks in the getsvgsize function resulting in denial of service and possibly remote code execution

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.5% (top 15%)
CISA exploited list	No
Weakness	CWE-611
Published	2018-01-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: pepperminty-wiki project

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

Am I affected?

Timeline

2018-01-03 14:29 UTCPublished CVE record published
2026-06-17 00:59 UTCUpdated Record last modified

pepperminty-wiki project pepperminty-wiki DOWNGRADE

Affected: 0.15

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.15

1. Check installed version

apt-cache policy pepperminty-wiki || rpm -q pepperminty-wiki || pepperminty-wiki --version

2. No fixed release: DOWNGRADE to a release before 0.15 (Debian / Ubuntu)

apt-cache madison pepperminty-wiki sudo apt install pepperminty-wiki=<VERSION_BEFORE_0.15> sudo apt-mark hold pepperminty-wiki

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

dnf --showduplicates list pepperminty-wiki sudo dnf downgrade pepperminty-wiki-<VERSION_BEFORE_0.15> sudo dnf versionlock add pepperminty-wiki

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-2017-1000497?

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

Is CVE-2017-1000497 being exploited?

CVE-2017-1000497 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-2017-1000497 affect?

CVE-2017-1000497 affects pepperminty-wiki. Severity is critical (CVSS 9.8). Pepperminty-Wiki version 0.15 is vulnerable to XXE attacks in the getsvgsize function resulting in denial of service and possibly remote code execution

How urgent is CVE-2017-1000497?

Priority 61/100. Critical severity; Remotely exploitable, no login, no user action

References

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