CVE-2008-5591: Cross-site scripting (XSS) vulnerability in login.asp in Nightfall Personal Diary 1.0 allows remote attackers

Routine

MEDIUM 4.3DOWNGRADE

CVE-2008-5591 is a medium-severity flaw (CVSS 4.3) affecting nightfall personal diary. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in login.asp in Nightfall Personal Diary 1.0 allows remote attackers to inject arbitrary web script or HTML via the username parameter and possibly other "login fields." NOTE: some of these details are obtained from third party information.

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	1.6% (top 25%)
CISA exploited list	No
Weakness	CWE-79
Published	2008-12-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: iwrite

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

Am I affected?

Timeline

2008-12-16 19:07 UTCPublished CVE record published
2026-06-16 23:00 UTCUpdated Record last modified

iwrite nightfall personal diary DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy nightfall-personal-diary || rpm -q nightfall-personal-diary || nightfall-personal-diary --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison nightfall-personal-diary sudo apt install nightfall-personal-diary=<VERSION_BEFORE_1.0> sudo apt-mark hold nightfall-personal-diary

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

dnf --showduplicates list nightfall-personal-diary sudo dnf downgrade nightfall-personal-diary-<VERSION_BEFORE_1.0> sudo dnf versionlock add nightfall-personal-diary

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: nightfall personal diary 1.0 - Cross-Site Scripting / File Disclosure

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-2008-5591?

nightfall personal diary: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2008-5591 being exploited?

CVE-2008-5591 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-2008-5591 affect?

CVE-2008-5591 affects nightfall personal diary. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in login.asp in Nightfall Personal Diary 1.0 allows remote attackers to inject arbitrary web script or HTML via the username parameter and possibly other "login fields." NOTE: some of these details a

How urgent is CVE-2008-5591?

Priority 39/100. Public exploit reference

Related CVEs

CVE-2008-5592 MEDIUM 5.0 DOWNGRADE Nightfall Personal Diary 1.0 stores sensitive information under the web root with insufficient access control,

References

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