CVE-2007-1553: admin/configuration.php in Guestbara 1.2 and earlier allows remote attackers to modify the e-mail, name, and p

Q: How do I fix CVE-2007-1553?

guestbara: upgrade to newer than 1.2. Exact commands for each OS are on this page.

Q: Is CVE-2007-1553 being exploited?

CVE-2007-1553 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2007-1553 affect?

CVE-2007-1553 affects guestbara. Severity is medium (CVSS 5.0). admin/configuration.php in Guestbara 1.2 and earlier allows remote attackers to modify the e-mail, name, and password of the admin account by setting the zapis parameter to "ok" and providing modified admin_mail, login, and pass parameters.

Q: How urgent is CVE-2007-1553?

Priority 42/100. Public exploit reference

This month

MEDIUM 5.0UPGRADE

CVE-2007-1553 is a medium-severity flaw (CVSS 5.0) affecting guestbara. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

admin/configuration.php in Guestbara 1.2 and earlier allows remote attackers to modify the e-mail, name, and password of the admin account by setting the zapis parameter to "ok" and providing modified admin_mail, login, and pass parameters.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.9% (top 20%)
CISA exploited list	No
Published	2007-03-20
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: guestbara

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

Am I affected?

Timeline

2007-03-20 22:19 UTCPublished CVE record published
2026-06-16 22:37 UTCUpdated Record last modified

guestbara guestbara UPGRADE

Affected: <= 1.2

Fixed in: newer than 1.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade guestbara

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade guestbara

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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: Guestbara 1.2 - Change Admin Login and Password

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-2007-1553?

guestbara: upgrade to newer than 1.2. Exact commands for each OS are on this page.

Is CVE-2007-1553 being exploited?

CVE-2007-1553 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-2007-1553 affect?

CVE-2007-1553 affects guestbara. Severity is medium (CVSS 5.0). admin/configuration.php in Guestbara 1.2 and earlier allows remote attackers to modify the e-mail, name, and password of the admin account by setting the zapis parameter to "ok" and providing modified admin_mail, login, and pass parameters.

How urgent is CVE-2007-1553?

Priority 42/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2007-1554 MEDIUM 6.8 DOWNGRADE Direct static code injection vulnerability in admin/configuration.php in Guestbara 1.2 and earlier allows remo

References

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