CVE-2007-1828: Multiple cross-site scripting (XSS) vulnerabilities in web-app.org WebAPP before 0.9.9.6 allow remote authenti

Routine

LOW 3.5DOWNGRADE

CVE-2007-1828 is a low-severity flaw (CVSS 3.5) affecting webapp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in web-app.org WebAPP before 0.9.9.6 allow remote authenticated users to inject arbitrary web script or HTML via (1) the QUERY_STRING corresponding to drop downs or (2) various forms.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	3.5 (Low)
EPSS exploit chance	1.1% (top 36%)
CISA exploited list	No
Published	2007-04-03
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: web-app.org

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

Am I affected?

Timeline

2007-04-03 00:19 UTCPublished CVE record published
2026-06-16 22:38 UTCUpdated Record last modified

web-app.org webapp DOWNGRADE

Affected: 0.9.9.1 · 0.9.9.2 · 0.9.9.2.1 · 0.9.9.2.2 · 0.9.9.3 · 0.9.9.3.1 · 0.9.9.3.2 · 0.9.9.3.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.9.9.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.9.9.1 (Debian / Ubuntu)

apt-cache madison webapp sudo apt install webapp=<VERSION_BEFORE_0.9.9.1> sudo apt-mark hold webapp

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

dnf --showduplicates list webapp sudo dnf downgrade webapp-<VERSION_BEFORE_0.9.9.1> sudo dnf versionlock add webapp

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-2007-1828?

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

Is CVE-2007-1828 being exploited?

CVE-2007-1828 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-2007-1828 affect?

CVE-2007-1828 affects webapp. Severity is low (CVSS 3.5). Multiple cross-site scripting (XSS) vulnerabilities in web-app.org WebAPP before 0.9.9.6 allow remote authenticated users to inject arbitrary web script or HTML via (1) the QUERY_STRING corresponding to drop downs or (2) various forms.

How urgent is CVE-2007-1828?

Priority 28/100. No elevated risk signals yet.

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References

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