CVE-2007-1768: Cross-site scripting (XSS) vulnerability in app/helpers/application_helper.rb in Mephisto 0.7.3 and Mephisto E

Routine

MEDIUM 4.3DOWNGRADEDOWNGRADE

CVE-2007-1768 is a medium-severity flaw (CVSS 4.3) affecting mephisto, mephisto edge. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in app/helpers/application_helper.rb in Mephisto 0.7.3 and Mephisto Edge 20070325 allows remote attackers to inject arbitrary web script or HTML via the author name field in a comment.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Published	2007-03-30
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mephisto

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

Am I affected?

Timeline

2007-03-30 01:19 UTCPublished CVE record published
2026-06-16 22:38 UTCUpdated Record last modified

mephisto mephisto DOWNGRADE

Affected: 0.7.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.7.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.7.3 (Debian / Ubuntu)

apt-cache madison mephisto sudo apt install mephisto=<VERSION_BEFORE_0.7.3> sudo apt-mark hold mephisto

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

dnf --showduplicates list mephisto sudo dnf downgrade mephisto-<VERSION_BEFORE_0.7.3> sudo dnf versionlock add mephisto

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.

mephisto mephisto edge DOWNGRADE

Affected: 2007-03-25

Fixed in: no fixed release known

Safe to downgrade to: a release before 2007-03-25

1. Check installed version

apt-cache policy mephisto-edge || rpm -q mephisto-edge || mephisto-edge --version

2. No fixed release: DOWNGRADE to a release before 2007-03-25 (Debian / Ubuntu)

apt-cache madison mephisto-edge sudo apt install mephisto-edge=<VERSION_BEFORE_2007-03-25> sudo apt-mark hold mephisto-edge

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

dnf --showduplicates list mephisto-edge sudo dnf downgrade mephisto-edge-<VERSION_BEFORE_2007-03-25> sudo dnf versionlock add mephisto-edge

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-2007-1768?

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

Is CVE-2007-1768 being exploited?

CVE-2007-1768 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-2007-1768 affect?

CVE-2007-1768 affects mephisto, mephisto edge. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in app/helpers/application_helper.rb in Mephisto 0.7.3 and Mephisto Edge 20070325 allows remote attackers to inject arbitrary web script or HTML via the author name field in a comment.

How urgent is CVE-2007-1768?

Priority 32/100. No elevated risk signals yet.

Related CVEs

CVE-2007-1873 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in Mephisto 0.7.3 allows remote attackers to inject arbitrary web scr

References

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