CVE-2023-26771: Taskcafe 0.3.2 is vulnerable to Cross Site Scripting (XSS)

Routine

MEDIUM 6.5DOWNGRADE

CVE-2023-26771 is a medium-severity flaw (CVSS 6.5) affecting taskcafe. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Taskcafe 0.3.2 is vulnerable to Cross Site Scripting (XSS). There is a lack of validation in the filetype when uploading a SVG profile picture with a XSS payload on it. An authenticated attacker can exploit this vulnerability by uploading a malicious picture which will trigger the payload when the victim opens the file.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-10-04
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: taskcafe project

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

Am I affected?

Timeline

2024-10-04 19:15 UTCPublished CVE record published
2026-06-17 05:43 UTCUpdated Record last modified

taskcafe project taskcafe DOWNGRADE

Affected: 0.3.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.3.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.3.2 (Debian / Ubuntu)

apt-cache madison taskcafe sudo apt install taskcafe=<VERSION_BEFORE_0.3.2> sudo apt-mark hold taskcafe

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

dnf --showduplicates list taskcafe sudo dnf downgrade taskcafe-<VERSION_BEFORE_0.3.2> sudo dnf versionlock add taskcafe

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-2023-26771?

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

Is CVE-2023-26771 being exploited?

CVE-2023-26771 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-2023-26771 affect?

CVE-2023-26771 affects taskcafe. Severity is medium (CVSS 6.5). Taskcafe 0.3.2 is vulnerable to Cross Site Scripting (XSS). There is a lack of validation in the filetype when uploading a SVG profile picture with a XSS payload on it. An authenticated attacker can exploit this vulnerability by uploading a

How urgent is CVE-2023-26771?

Priority 35/100. Public exploit reference

Related CVEs

CVE-2023-26770 CRITICAL 9.8 DOWNGRADE TaskCafe 0.3.2 lacks validation in the Cookie value

References

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