CVE-2024-35538: Typecho v1.3.0 was discovered to contain a Client IP Spoofing vulnerability, which allows attackers to falsify

This week

MEDIUM 5.3REMOTEDOWNGRADE

CVE-2024-35538 is a medium-severity flaw (CVSS 5.3) affecting typecho. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Typecho v1.3.0 was discovered to contain a Client IP Spoofing vulnerability, which allows attackers to falsify their IP addresses by specifying an arbitrary IP as value of X-Forwarded-For or Client-Ip headers while performing HTTP requests.

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-290, CWE-444
Published	2024-08-19
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: typecho

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

Am I affected?

Timeline

2024-08-19 21:15 UTCPublished CVE record published
2026-06-17 07:34 UTCUpdated Record last modified

typecho typecho DOWNGRADE

Affected: 1.3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.3.0 (Debian / Ubuntu)

apt-cache madison typecho sudo apt install typecho=<VERSION_BEFORE_1.3.0> sudo apt-mark hold typecho

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

dnf --showduplicates list typecho sudo dnf downgrade typecho-<VERSION_BEFORE_1.3.0> sudo dnf versionlock add typecho

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-2024-35538?

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

Is CVE-2024-35538 being exploited?

CVE-2024-35538 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-2024-35538 affect?

CVE-2024-35538 affects typecho. Severity is medium (CVSS 5.3). Typecho v1.3.0 was discovered to contain a Client IP Spoofing vulnerability, which allows attackers to falsify their IP addresses by specifying an arbitrary IP as value of X-Forwarded-For or Client-Ip headers while performing HTTP requests.

How urgent is CVE-2024-35538?

Priority 41/100. Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-57369 MEDIUM 6.4 DOWNGRADE Clickjacking vulnerability in typecho v1.2.1.
CVE-2024-46494 MEDIUM 5.4 DOWNGRADE A cross-site scripting (XSS) vulnerability in Typecho v1.2.1 allows attackers to execute arbitrary web scripts
CVE-2024-35540 CRITICAL 9.0 UPGRADE A stored cross-site scripting (XSS) vulnerability in Typecho v1.3.0 allows attackers to execute arbitrary web
CVE-2024-35539 MEDIUM 6.5 DOWNGRADE Typecho v1.3.0 was discovered to contain a race condition vulnerability in the post commenting function

References

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