CVE-2023-49034: Cross Site Scripting (XSS) vulnerability in ProjeQtOr 11.0.2 allows a remote attacker to execute arbitrary cod

Q: How do I fix CVE-2023-49034?

projeqtor: upgrade to newer than 11.0.2. Exact commands for each OS are on this page.

Q: Is CVE-2023-49034 being exploited?

CVE-2023-49034 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-2023-49034 affect?

CVE-2023-49034 affects projeqtor. Severity is medium (CVSS 6.1). Cross Site Scripting (XSS) vulnerability in ProjeQtOr 11.0.2 allows a remote attacker to execute arbitrary code via a crafted script to thecheckvalidHtmlText function in the ack.php and security.php files.

Q: How urgent is CVE-2023-49034?

Priority 38/100. Public exploit reference

Routine

MEDIUM 6.1UPGRADE

CVE-2023-49034 is a medium-severity flaw (CVSS 6.1) affecting projeqtor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Scripting (XSS) vulnerability in ProjeQtOr 11.0.2 allows a remote attacker to execute arbitrary code via a crafted script to thecheckvalidHtmlText function in the ack.php and security.php files.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-02-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: projeqtor

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-02-20 21:15 UTCPublished CVE record published
2026-06-17 06:35 UTCUpdated Record last modified

projeqtor projeqtor UPGRADE

Affected: <= 11.0.2

Fixed in: newer than 11.0.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 11.0.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade projeqtor

Note

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

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-2023-49034?

projeqtor: upgrade to newer than 11.0.2. Exact commands for each OS are on this page.

Is CVE-2023-49034 being exploited?

CVE-2023-49034 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-2023-49034 affect?

CVE-2023-49034 affects projeqtor. Severity is medium (CVSS 6.1). Cross Site Scripting (XSS) vulnerability in ProjeQtOr 11.0.2 allows a remote attacker to execute arbitrary code via a crafted script to thecheckvalidHtmlText function in the ack.php and security.php files.

How urgent is CVE-2023-49034?

Priority 38/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2024-29387 HIGH 8.8 UPGRADE projeqtor up to 11.2.0 was discovered to contain a remote code execution (RCE) vulnerability via the component
CVE-2024-29386 MEDIUM 5.4 UPGRADE projeqtor up to 11.2.0 was discovered to contain a SQL injection vulnerability via the component /view/critica

References

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