CVE-2006-2975: Multiple cross-site scripting (XSS) vulnerabilities in pblguestbook.php in PBL Guestbook 1.31 allow remote att

Routine

LOW 2.6DOWNGRADE

CVE-2006-2975 is a low-severity flaw (CVSS 2.6) affecting pbl guestbook. 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 pblguestbook.php in PBL Guestbook 1.31 allow remote attackers to inject arbitrary web script or HTML via javascript in the SRC attribute of IMG tags in the (1) name, (2) email, and (3) website parameter, which bypasses XSS protection mechanisms that check for SCRIPT tags but not IMG. NOTE: portions of this description's details are obtained from third party information.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	2.6 (Low)
EPSS exploit chance	2.2% (top 18%)
CISA exploited list	No
Published	2006-06-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: pbl guestbook

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

Am I affected?

Timeline

2006-06-12 22:02 UTCPublished CVE record published
2026-06-16 22:26 UTCUpdated Record last modified

pbl guestbook pbl guestbook DOWNGRADE

Affected: 1.31

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.31

1. Check installed version

apt-cache policy pbl-guestbook || rpm -q pbl-guestbook || pbl-guestbook --version

2. No fixed release: DOWNGRADE to a release before 1.31 (Debian / Ubuntu)

apt-cache madison pbl-guestbook sudo apt install pbl-guestbook=<VERSION_BEFORE_1.31> sudo apt-mark hold pbl-guestbook

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

dnf --showduplicates list pbl-guestbook sudo dnf downgrade pbl-guestbook-<VERSION_BEFORE_1.31> sudo dnf versionlock add pbl-guestbook

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-2006-2975?

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

Is CVE-2006-2975 being exploited?

CVE-2006-2975 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-2006-2975 affect?

CVE-2006-2975 affects pbl guestbook. Severity is low (CVSS 2.6). Multiple cross-site scripting (XSS) vulnerabilities in pblguestbook.php in PBL Guestbook 1.31 allow remote attackers to inject arbitrary web script or HTML via javascript in the SRC attribute of IMG tags in the (1) name, (2) email, and (3)

How urgent is CVE-2006-2975?

Priority 30/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

References

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