CVE-2011-1952: common.php in Post Revolution before 0.8.0c-2 allows remote attackers to cause a denial of service (infinite l

Q: How do I fix CVE-2011-1952?

post revolution: upgrade to newer than 0.8.0c. Exact commands for each OS are on this page.

Q: Is CVE-2011-1952 being exploited?

CVE-2011-1952 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-2011-1952 affect?

CVE-2011-1952 affects post revolution. Severity is medium (CVSS 5.0). common.php in Post Revolution before 0.8.0c-2 allows remote attackers to cause a denial of service (infinite loop) via malformed HTML markup, as demonstrated by an a< sequence.

Q: How urgent is CVE-2011-1952?

Priority 41/100. Public exploit reference

This month

MEDIUM 5.0UPGRADE

CVE-2011-1952 is a medium-severity flaw (CVSS 5.0) affecting post revolution. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

common.php in Post Revolution before 0.8.0c-2 allows remote attackers to cause a denial of service (infinite loop) via malformed HTML markup, as demonstrated by an a< sequence.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.5% (top 25%)
CISA exploited list	No
Weakness	CWE-399
Published	2011-06-06
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: postrev

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

Am I affected?

Timeline

2011-06-06 19:55 UTCPublished CVE record published
2026-06-16 23:30 UTCUpdated Record last modified

postrev post revolution UPGRADE

Affected: <= 0.8.0c · 0.6.2 beta · 0.6.3 beta · 0.6.4 · 0.6.5 · 0.6.6 · 0.7.0 rc1 · 0.7.0 rc2

Fixed in: newer than 0.8.0c

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy post-revolution || rpm -q post-revolution || post-revolution --version

2. UPGRADE to newer than 0.8.0c (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade post-revolution

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade post-revolution

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-2011-1952?

post revolution: upgrade to newer than 0.8.0c. Exact commands for each OS are on this page.

Is CVE-2011-1952 being exploited?

CVE-2011-1952 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-2011-1952 affect?

CVE-2011-1952 affects post revolution. Severity is medium (CVSS 5.0). common.php in Post Revolution before 0.8.0c-2 allows remote attackers to cause a denial of service (infinite loop) via malformed HTML markup, as demonstrated by an a< sequence.

How urgent is CVE-2011-1952?

Priority 41/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2011-1954 MEDIUM 6.8 UPGRADE Multiple cross-site request forgery (CSRF) vulnerabilities in Post Revolution 0.8.0c-2 and earlier allow remot
CVE-2011-1953 MEDIUM 4.3 UPGRADE Multiple cross-site scripting (XSS) vulnerabilities in common.php in Post Revolution before 0.8.0c-2 allow rem
CVE-2007-2201 HIGH 7.5 DOWNGRADE Multiple PHP remote file inclusion vulnerabilities in Post Revolution 6.6 and 7.0 RC2 allow remote attackers t

References

← Back to latest CVEs